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[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPEditor.java
index f32a1e8..32d4442 100644 (file)
 package net.sourceforge.phpeclipse.phpeditor;
 
 /**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. and others.
-All rights reserved. This program and the accompanying materials
-are made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-
-Contributors:
-    IBM Corporation - Initial implementation
-    Klaus Hartlage - www.eclipseproject.de
-**********************************************************************/
+ Copyright (c) 2000, 2002 IBM Corp. and others.
+ All rights reserved. This program and the accompanying materials
+ are made available under the terms of the Common Public License v1.0
+ which accompanies this distribution, and is available at
+ http://www.eclipse.org/legal/cpl-v10.html
+
+ Contributors:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.text.BreakIterator;
+import java.text.CharacterIterator;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 import java.util.ResourceBundle;
+import java.util.StringTokenizer;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.IImportContainer;
+import net.sourceforge.phpdt.core.IImportDeclaration;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IJavaProject;
+import net.sourceforge.phpdt.core.IMember;
+import net.sourceforge.phpdt.core.ISourceRange;
+import net.sourceforge.phpdt.core.ISourceReference;
+import net.sourceforge.phpdt.core.JavaCore;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
+import net.sourceforge.phpdt.internal.ui.actions.CompositeActionGroup;
+import net.sourceforge.phpdt.internal.ui.actions.FoldingActionGroup;
+import net.sourceforge.phpdt.internal.ui.actions.SelectionConverter;
+import net.sourceforge.phpdt.internal.ui.text.CustomSourceInformationControl;
+import net.sourceforge.phpdt.internal.ui.text.DocumentCharacterIterator;
+import net.sourceforge.phpdt.internal.ui.text.HTMLTextPresenter;
+import net.sourceforge.phpdt.internal.ui.text.IPHPPartitions;
+import net.sourceforge.phpdt.internal.ui.text.JavaWordIterator;
+import net.sourceforge.phpdt.internal.ui.text.PHPPairMatcher;
+import net.sourceforge.phpdt.internal.ui.text.PreferencesAdapter;
+import net.sourceforge.phpdt.internal.ui.text.java.JavaExpandHover;
+import net.sourceforge.phpdt.internal.ui.viewsupport.IViewPartInputProvider;
+import net.sourceforge.phpdt.ui.IContextMenuConstants;
+import net.sourceforge.phpdt.ui.JavaUI;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+import net.sourceforge.phpdt.ui.actions.GotoMatchingBracketAction;
+import net.sourceforge.phpdt.ui.actions.OpenEditorActionGroup;
+import net.sourceforge.phpdt.ui.text.JavaTextTools;
+import net.sourceforge.phpdt.ui.text.PHPSourceViewerConfiguration;
+import net.sourceforge.phpdt.ui.text.folding.IJavaFoldingStructureProvider;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Preferences;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.GroupMarker;
+import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferenceConverter;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.DefaultInformationControl;
+import org.eclipse.jface.text.DocumentEvent;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IDocumentListener;
+import org.eclipse.jface.text.IInformationControl;
+import org.eclipse.jface.text.IInformationControlCreator;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ISynchronizable;
+import org.eclipse.jface.text.ITextHover;
+import org.eclipse.jface.text.ITextInputListener;
+import org.eclipse.jface.text.ITextPresentationListener;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.ITextViewerExtension2;
+import org.eclipse.jface.text.ITextViewerExtension3;
+import org.eclipse.jface.text.ITextViewerExtension4;
+import org.eclipse.jface.text.ITextViewerExtension5;
+import org.eclipse.jface.text.ITypedRegion;
+import org.eclipse.jface.text.Position;
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.TextPresentation;
+import org.eclipse.jface.text.TextSelection;
+import org.eclipse.jface.text.TextUtilities;
+import org.eclipse.jface.text.information.IInformationProvider;
+import org.eclipse.jface.text.information.InformationPresenter;
+import org.eclipse.jface.text.reconciler.IReconciler;
+import org.eclipse.jface.text.source.Annotation;
+import org.eclipse.jface.text.source.AnnotationRulerColumn;
+import org.eclipse.jface.text.source.CompositeRuler;
+import org.eclipse.jface.text.source.IAnnotationModel;
+import org.eclipse.jface.text.source.IAnnotationModelExtension;
+import org.eclipse.jface.text.source.IOverviewRuler;
 import org.eclipse.jface.text.source.ISourceViewer;
+import org.eclipse.jface.text.source.ISourceViewerExtension2;
+import org.eclipse.jface.text.source.IVerticalRuler;
+import org.eclipse.jface.text.source.OverviewRuler;
+import org.eclipse.jface.text.source.SourceViewerConfiguration;
+import org.eclipse.jface.text.source.projection.ProjectionSupport;
+import org.eclipse.jface.text.source.projection.ProjectionViewer;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.ListenerList;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IDoubleClickListener;
+import org.eclipse.jface.viewers.IPostSelectionProvider;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.BidiSegmentEvent;
+import org.eclipse.swt.custom.BidiSegmentListener;
+import org.eclipse.swt.custom.ST;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.events.MouseMoveListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IEditorInput;
-import org.eclipse.ui.editors.text.TextEditor;
-import org.eclipse.ui.texteditor.DefaultRangeIndicator;
+import org.eclipse.ui.IPageLayout;
+import org.eclipse.ui.IPartService;
+import org.eclipse.ui.ISelectionListener;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.actions.ActionContext;
+import org.eclipse.ui.actions.ActionGroup;
+import org.eclipse.ui.editors.text.DefaultEncodingSupport;
+import org.eclipse.ui.editors.text.EditorsUI;
+import org.eclipse.ui.editors.text.IEncodingSupport;
+import org.eclipse.ui.part.IShowInTargetList;
+import org.eclipse.ui.texteditor.AbstractDecoratedTextEditor;
+import org.eclipse.ui.texteditor.AnnotationPreference;
+import org.eclipse.ui.texteditor.ChainedPreferenceStore;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+import org.eclipse.ui.texteditor.IEditorStatusLine;
+import org.eclipse.ui.texteditor.ITextEditorActionConstants;
+import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
+import org.eclipse.ui.texteditor.IUpdate;
+import org.eclipse.ui.texteditor.MarkerAnnotation;
+import org.eclipse.ui.texteditor.ResourceAction;
+import org.eclipse.ui.texteditor.SourceViewerDecorationSupport;
+import org.eclipse.ui.texteditor.TextEditorAction;
+import org.eclipse.ui.texteditor.TextNavigationAction;
 import org.eclipse.ui.texteditor.TextOperationAction;
+import org.eclipse.ui.views.contentoutline.ContentOutline;
 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+import org.eclipse.ui.views.tasklist.TaskList;
 
 /**
- * Java specific text editor.
+ * PHP specific text editor.
  */
-public class PHPEditor extends TextEditor {
-
-       /** The outline page */
-       private PHPContentOutlinePage fOutlinePage;
-
-       /**
-        * Default constructor.
-        */
-       public PHPEditor() {
-               super();
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method extend the 
-        * actions to add those specific to the receiver
-        */
-       protected void createActions() {
-               super.createActions();
-               setAction("ContentAssistProposal", new TextOperationAction(PHPEditorMessages.getResourceBundle(), "ContentAssistProposal.", this, ISourceViewer.CONTENTASSIST_PROPOSALS)); 
-               setAction("ContentAssistTip", new TextOperationAction(PHPEditorMessages.getResourceBundle(), "ContentAssistTip.", this, ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION)); 
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method performs any extra 
-        * disposal actions required by the java editor.
-        */
-       public void dispose() {
-               PHPEditorEnvironment.disconnect(this);
-               if (fOutlinePage != null)
-                       fOutlinePage.setInput(null);
-               super.dispose();
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method performs any extra 
-        * revert behavior required by the java editor.
-        */
-       public void doRevertToSaved() {
-               super.doRevertToSaved();
-               if (fOutlinePage != null)
-                       fOutlinePage.update();
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method performs any extra 
-        * save behavior required by the java editor.
-        */
-       public void doSave(IProgressMonitor monitor) {
-               super.doSave(monitor);
-               if (fOutlinePage != null)
-                       fOutlinePage.update();
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method performs any extra 
-        * save as behavior required by the java editor.
-        */
-       public void doSaveAs() {
-               super.doSaveAs();
-               if (fOutlinePage != null)
-                       fOutlinePage.update();
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method performs sets the 
-        * input of the outline page after AbstractTextEditor has set input.
-        */ 
-       public void doSetInput(IEditorInput input) throws CoreException {
-               super.doSetInput(input);
-               if (fOutlinePage != null)
-                       fOutlinePage.setInput(input);
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method adds any 
-        * JavaEditor specific entries.
-        */ 
-       public void editorContextMenuAboutToShow(MenuManager menu) {
-               super.editorContextMenuAboutToShow(menu);
-               addAction(menu, "ContentAssistProposal"); //$NON-NLS-1$
-               addAction(menu, "ContentAssistTip"); //$NON-NLS-1$
-       }
-       
-       /** The <code>JavaEditor</code> implementation of this 
-        * <code>AbstractTextEditor</code> method performs gets
-        * the java content outline page if request is for a an 
-        * outline page.
-        */ 
-       public Object getAdapter(Class required) {
-               if (IContentOutlinePage.class.equals(required)) {
-                       if (fOutlinePage == null) {
-                               fOutlinePage= new PHPContentOutlinePage(getDocumentProvider(), this);
-                               if (getEditorInput() != null)
-                                       fOutlinePage.setInput(getEditorInput());
-                       }
-                       return fOutlinePage;
-               }
-               return super.getAdapter(required);
-       }
-               
-       /* (non-Javadoc)
-        * Method declared on AbstractTextEditor
-        */
-       protected void initializeEditor() {
-
-               PHPEditorEnvironment.connect(this);
-
-               setSourceViewerConfiguration(new PHPSourceViewerConfiguration());
-               setRangeIndicator(new DefaultRangeIndicator());
-               setEditorContextMenuId("#PHPEditorContext"); //$NON-NLS-1$
-               setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$
-       }
-}
+public abstract class PHPEditor extends AbstractDecoratedTextEditor implements IViewPartInputProvider {
+  //extends StatusTextEditor implements IViewPartInputProvider { // extends
+  // TextEditor {
+
+  /**
+   * Internal implementation class for a change listener.
+   * 
+   * @since 3.0
+   */
+  protected abstract class AbstractSelectionChangedListener implements ISelectionChangedListener {
+
+    /**
+     * Installs this selection changed listener with the given selection provider. If the selection provider is a post selection
+     * provider, post selection changed events are the preferred choice, otherwise normal selection changed events are requested.
+     * 
+     * @param selectionProvider
+     */
+    public void install(ISelectionProvider selectionProvider) {
+      if (selectionProvider == null)
+        return;
+
+      if (selectionProvider instanceof IPostSelectionProvider) {
+        IPostSelectionProvider provider = (IPostSelectionProvider) selectionProvider;
+        provider.addPostSelectionChangedListener(this);
+      } else {
+        selectionProvider.addSelectionChangedListener(this);
+      }
+    }
+
+    /**
+     * Removes this selection changed listener from the given selection provider.
+     * 
+     * @param selectionProvider
+     *          the selection provider
+     */
+    public void uninstall(ISelectionProvider selectionProvider) {
+      if (selectionProvider == null)
+        return;
+
+      if (selectionProvider instanceof IPostSelectionProvider) {
+        IPostSelectionProvider provider = (IPostSelectionProvider) selectionProvider;
+        provider.removePostSelectionChangedListener(this);
+      } else {
+        selectionProvider.removeSelectionChangedListener(this);
+      }
+    }
+  }
+
+  /**
+   * Updates the Java outline page selection and this editor's range indicator.
+   * 
+   * @since 3.0
+   */
+  private class EditorSelectionChangedListener extends AbstractSelectionChangedListener {
+
+    /*
+     * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
+     */
+    public void selectionChanged(SelectionChangedEvent event) {
+      // XXX: see https://bugs.eclipse.org/bugs/show_bug.cgi?id=56161
+      PHPEditor.this.selectionChanged();
+    }
+  }
+
+  /**
+   * "Smart" runnable for updating the outline page's selection.
+   */
+  //  class OutlinePageSelectionUpdater implements Runnable {
+  //
+  //    /** Has the runnable already been posted? */
+  //    private boolean fPosted = false;
+  //
+  //    public OutlinePageSelectionUpdater() {
+  //    }
+  //
+  //    /*
+  //     * @see Runnable#run()
+  //     */
+  //    public void run() {
+  //      synchronizeOutlinePageSelection();
+  //      fPosted = false;
+  //    }
+  //
+  //    /**
+  //     * Posts this runnable into the event queue.
+  //     */
+  //    public void post() {
+  //      if (fPosted)
+  //        return;
+  //
+  //      Shell shell = getSite().getShell();
+  //      if (shell != null & !shell.isDisposed()) {
+  //        fPosted = true;
+  //        shell.getDisplay().asyncExec(this);
+  //      }
+  //    }
+  //  };
+  class SelectionChangedListener implements ISelectionChangedListener {
+    public void selectionChanged(SelectionChangedEvent event) {
+      doSelectionChanged(event);
+    }
+  };
+
+  /**
+   * Adapts an options {@link java.util.Map}to {@link org.eclipse.jface.preference.IPreferenceStore}.
+   * <p>
+   * This preference store is read-only i.e. write access throws an {@link java.lang.UnsupportedOperationException}.
+   * </p>
+   * 
+   * @since 3.0
+   */
+  private static class OptionsAdapter implements IPreferenceStore {
+
+    /**
+     * A property change event filter.
+     */
+    public interface IPropertyChangeEventFilter {
+
+      /**
+       * Should the given event be filtered?
+       * 
+       * @param event
+       *          The property change event.
+       * @return <code>true</code> iff the given event should be filtered.
+       */
+      public boolean isFiltered(PropertyChangeEvent event);
+
+    }
+
+    /**
+     * Property change listener. Listens for events in the options Map and fires a
+     * {@link org.eclipse.jface.util.PropertyChangeEvent}on this adapter with arguments from the received event.
+     */
+    private class PropertyChangeListener implements IPropertyChangeListener {
+
+      /**
+       * {@inheritDoc}
+       */
+      public void propertyChange(PropertyChangeEvent event) {
+        if (getFilter().isFiltered(event))
+          return;
+
+        if (event.getNewValue() == null)
+          fOptions.remove(event.getProperty());
+        else
+          fOptions.put(event.getProperty(), event.getNewValue());
+
+        firePropertyChangeEvent(event.getProperty(), event.getOldValue(), event.getNewValue());
+      }
+    }
+
+    /** Listeners on this adapter */
+    private ListenerList fListeners = new ListenerList();
+
+    /** Listener on the adapted options Map */
+    private IPropertyChangeListener fListener = new PropertyChangeListener();
+
+    /** Adapted options Map */
+    private Map fOptions;
+
+    /** Preference store through which events are received. */
+    private IPreferenceStore fMockupPreferenceStore;
+
+    /** Property event filter. */
+    private IPropertyChangeEventFilter fFilter;
+
+    /**
+     * Initialize with the given options.
+     * 
+     * @param options
+     *          The options to wrap
+     * @param mockupPreferenceStore
+     *          the mock-up preference store
+     * @param filter
+     *          the property change filter
+     */
+    public OptionsAdapter(Map options, IPreferenceStore mockupPreferenceStore, IPropertyChangeEventFilter filter) {
+      fMockupPreferenceStore = mockupPreferenceStore;
+      fOptions = options;
+      setFilter(filter);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void addPropertyChangeListener(IPropertyChangeListener listener) {
+      if (fListeners.size() == 0)
+        fMockupPreferenceStore.addPropertyChangeListener(fListener);
+      fListeners.add(listener);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void removePropertyChangeListener(IPropertyChangeListener listener) {
+      fListeners.remove(listener);
+      if (fListeners.size() == 0)
+        fMockupPreferenceStore.removePropertyChangeListener(fListener);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean contains(String name) {
+      return fOptions.containsKey(name);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
+      PropertyChangeEvent event = new PropertyChangeEvent(this, name, oldValue, newValue);
+      Object[] listeners = fListeners.getListeners();
+      for (int i = 0; i < listeners.length; i++)
+        ((IPropertyChangeListener) listeners[i]).propertyChange(event);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean getBoolean(String name) {
+      boolean value = BOOLEAN_DEFAULT_DEFAULT;
+      String s = (String) fOptions.get(name);
+      if (s != null)
+        value = s.equals(TRUE);
+      return value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean getDefaultBoolean(String name) {
+      return BOOLEAN_DEFAULT_DEFAULT;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public double getDefaultDouble(String name) {
+      return DOUBLE_DEFAULT_DEFAULT;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public float getDefaultFloat(String name) {
+      return FLOAT_DEFAULT_DEFAULT;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public int getDefaultInt(String name) {
+      return INT_DEFAULT_DEFAULT;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public long getDefaultLong(String name) {
+      return LONG_DEFAULT_DEFAULT;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public String getDefaultString(String name) {
+      return STRING_DEFAULT_DEFAULT;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public double getDouble(String name) {
+      double value = DOUBLE_DEFAULT_DEFAULT;
+      String s = (String) fOptions.get(name);
+      if (s != null) {
+        try {
+          value = new Double(s).doubleValue();
+        } catch (NumberFormatException e) {
+        }
+      }
+      return value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public float getFloat(String name) {
+      float value = FLOAT_DEFAULT_DEFAULT;
+      String s = (String) fOptions.get(name);
+      if (s != null) {
+        try {
+          value = new Float(s).floatValue();
+        } catch (NumberFormatException e) {
+        }
+      }
+      return value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public int getInt(String name) {
+      int value = INT_DEFAULT_DEFAULT;
+      String s = (String) fOptions.get(name);
+      if (s != null) {
+        try {
+          value = new Integer(s).intValue();
+        } catch (NumberFormatException e) {
+        }
+      }
+      return value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public long getLong(String name) {
+      long value = LONG_DEFAULT_DEFAULT;
+      String s = (String) fOptions.get(name);
+      if (s != null) {
+        try {
+          value = new Long(s).longValue();
+        } catch (NumberFormatException e) {
+        }
+      }
+      return value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public String getString(String name) {
+      String value = (String) fOptions.get(name);
+      if (value == null)
+        value = STRING_DEFAULT_DEFAULT;
+      return value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean isDefault(String name) {
+      return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean needsSaving() {
+      return !fOptions.isEmpty();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void putValue(String name, String value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setDefault(String name, double value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setDefault(String name, float value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setDefault(String name, int value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setDefault(String name, long value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setDefault(String name, String defaultObject) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setDefault(String name, boolean value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setToDefault(String name) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setValue(String name, double value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setValue(String name, float value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setValue(String name, int value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setValue(String name, long value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setValue(String name, String value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setValue(String name, boolean value) {
+      throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Returns the adapted options Map.
+     * 
+     * @return Returns the adapted options Map.
+     */
+    public Map getOptions() {
+      return fOptions;
+    }
+
+    /**
+     * Returns the mock-up preference store, events are received through this preference store.
+     * 
+     * @return Returns the mock-up preference store.
+     */
+    public IPreferenceStore getMockupPreferenceStore() {
+      return fMockupPreferenceStore;
+    }
+
+    /**
+     * Set the event filter to the given filter.
+     * 
+     * @param filter
+     *          The new filter.
+     */
+    public void setFilter(IPropertyChangeEventFilter filter) {
+      fFilter = filter;
+    }
+
+    /**
+     * Returns the event filter.
+     * 
+     * @return The event filter.
+     */
+    public IPropertyChangeEventFilter getFilter() {
+      return fFilter;
+    }
+  }
+
+  /*
+   * Link mode.
+   */
+  //  class MouseClickListener implements KeyListener, MouseListener, MouseMoveListener, FocusListener, PaintListener,
+  //      IPropertyChangeListener, IDocumentListener, ITextInputListener {
+  //
+  //    /** The session is active. */
+  //    private boolean fActive;
+  //
+  //    /** The currently active style range. */
+  //    private IRegion fActiveRegion;
+  //
+  //    /** The currently active style range as position. */
+  //    private Position fRememberedPosition;
+  //
+  //    /** The hand cursor. */
+  //    private Cursor fCursor;
+  //
+  //    /** The link color. */
+  //    private Color fColor;
+  //
+  //    /** The key modifier mask. */
+  //    private int fKeyModifierMask;
+  //
+  //    public void deactivate() {
+  //      deactivate(false);
+  //    }
+  //
+  //    public void deactivate(boolean redrawAll) {
+  //      if (!fActive)
+  //        return;
+  //
+  //      repairRepresentation(redrawAll);
+  //      fActive = false;
+  //    }
+  //
+  //    public void install() {
+  //
+  //      ISourceViewer sourceViewer = getSourceViewer();
+  //      if (sourceViewer == null)
+  //        return;
+  //
+  //      StyledText text = sourceViewer.getTextWidget();
+  //      if (text == null || text.isDisposed())
+  //        return;
+  //
+  //      updateColor(sourceViewer);
+  //
+  //      sourceViewer.addTextInputListener(this);
+  //
+  //      IDocument document = sourceViewer.getDocument();
+  //      if (document != null)
+  //        document.addDocumentListener(this);
+  //
+  //      text.addKeyListener(this);
+  //      text.addMouseListener(this);
+  //      text.addMouseMoveListener(this);
+  //      text.addFocusListener(this);
+  //      text.addPaintListener(this);
+  //
+  //      updateKeyModifierMask();
+  //
+  //      IPreferenceStore preferenceStore = getPreferenceStore();
+  //      preferenceStore.addPropertyChangeListener(this);
+  //    }
+  //
+  //    private void updateKeyModifierMask() {
+  //      String modifiers = getPreferenceStore().getString(BROWSER_LIKE_LINKS_KEY_MODIFIER);
+  //      fKeyModifierMask = computeStateMask(modifiers);
+  //      if (fKeyModifierMask == -1) {
+  //        // Fallback to stored state mask
+  //        fKeyModifierMask = getPreferenceStore().getInt(BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK);
+  //      }
+  //      ;
+  //    }
+  //
+  //    private int computeStateMask(String modifiers) {
+  //      if (modifiers == null)
+  //        return -1;
+  //
+  //      if (modifiers.length() == 0)
+  //        return SWT.NONE;
+  //
+  //      int stateMask = 0;
+  //      StringTokenizer modifierTokenizer = new StringTokenizer(modifiers, ",;.:+-* "); //$NON-NLS-1$
+  //      while (modifierTokenizer.hasMoreTokens()) {
+  //        int modifier = EditorUtility.findLocalizedModifier(modifierTokenizer.nextToken());
+  //        if (modifier == 0 || (stateMask & modifier) == modifier)
+  //          return -1;
+  //        stateMask = stateMask | modifier;
+  //      }
+  //      return stateMask;
+  //    }
+  //
+  //    public void uninstall() {
+  //
+  //      if (fColor != null) {
+  //        fColor.dispose();
+  //        fColor = null;
+  //      }
+  //
+  //      if (fCursor != null) {
+  //        fCursor.dispose();
+  //        fCursor = null;
+  //      }
+  //
+  //      ISourceViewer sourceViewer = getSourceViewer();
+  //      if (sourceViewer == null)
+  //        return;
+  //
+  //      sourceViewer.removeTextInputListener(this);
+  //
+  //      IDocument document = sourceViewer.getDocument();
+  //      if (document != null)
+  //        document.removeDocumentListener(this);
+  //
+  //      IPreferenceStore preferenceStore = getPreferenceStore();
+  //      if (preferenceStore != null)
+  //        preferenceStore.removePropertyChangeListener(this);
+  //
+  //      StyledText text = sourceViewer.getTextWidget();
+  //      if (text == null || text.isDisposed())
+  //        return;
+  //
+  //      text.removeKeyListener(this);
+  //      text.removeMouseListener(this);
+  //      text.removeMouseMoveListener(this);
+  //      text.removeFocusListener(this);
+  //      text.removePaintListener(this);
+  //    }
+  //
+  //    /*
+  //     * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+  //     */
+  //    public void propertyChange(PropertyChangeEvent event) {
+  //      if (event.getProperty().equals(PHPEditor.LINK_COLOR)) {
+  //        ISourceViewer viewer = getSourceViewer();
+  //        if (viewer != null)
+  //          updateColor(viewer);
+  //      } else if (event.getProperty().equals(BROWSER_LIKE_LINKS_KEY_MODIFIER)) {
+  //        updateKeyModifierMask();
+  //      }
+  //    }
+  //
+  //    private void updateColor(ISourceViewer viewer) {
+  //      if (fColor != null)
+  //        fColor.dispose();
+  //
+  //      StyledText text = viewer.getTextWidget();
+  //      if (text == null || text.isDisposed())
+  //        return;
+  //
+  //      Display display = text.getDisplay();
+  //      fColor = createColor(getPreferenceStore(), PHPEditor.LINK_COLOR, display);
+  //    }
+  //
+  //    /**
+  //     * Creates a color from the information stored in the given preference store. Returns <code>null</code> if there is no such
+  //     * information available.
+  //     */
+  //    private Color createColor(IPreferenceStore store, String key, Display display) {
+  //
+  //      RGB rgb = null;
+  //
+  //      if (store.contains(key)) {
+  //
+  //        if (store.isDefault(key))
+  //          rgb = PreferenceConverter.getDefaultColor(store, key);
+  //        else
+  //          rgb = PreferenceConverter.getColor(store, key);
+  //
+  //        if (rgb != null)
+  //          return new Color(display, rgb);
+  //      }
+  //
+  //      return null;
+  //    }
+  //
+  //    private void repairRepresentation() {
+  //      repairRepresentation(false);
+  //    }
+  //
+  //    private void repairRepresentation(boolean redrawAll) {
+  //
+  //      if (fActiveRegion == null)
+  //        return;
+  //
+  //      ISourceViewer viewer = getSourceViewer();
+  //      if (viewer != null) {
+  //        resetCursor(viewer);
+  //
+  //        int offset = fActiveRegion.getOffset();
+  //        int length = fActiveRegion.getLength();
+  //
+  //        // remove style
+  //        if (!redrawAll && viewer instanceof ITextViewerExtension2)
+  //          ((ITextViewerExtension2) viewer).invalidateTextPresentation(offset, length);
+  //        else
+  //          viewer.invalidateTextPresentation();
+  //
+  //        // remove underline
+  //        if (viewer instanceof ITextViewerExtension3) {
+  //          ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+  //          offset = extension.modelOffset2WidgetOffset(offset);
+  //        } else {
+  //          offset -= viewer.getVisibleRegion().getOffset();
+  //        }
+  //
+  //        StyledText text = viewer.getTextWidget();
+  //        try {
+  //          text.redrawRange(offset, length, true);
+  //        } catch (IllegalArgumentException x) {
+  //          PHPeclipsePlugin.log(x);
+  //        }
+  //      }
+  //
+  //      fActiveRegion = null;
+  //    }
+  //
+  //    // will eventually be replaced by a method provided by jdt.core
+  //    private IRegion selectWord(IDocument document, int anchor) {
+  //
+  //      try {
+  //        int offset = anchor;
+  //        char c;
+  //
+  //        while (offset >= 0) {
+  //          c = document.getChar(offset);
+  //          if (!Scanner.isPHPIdentifierPart(c))
+  //            break;
+  //          --offset;
+  //        }
+  //
+  //        int start = offset;
+  //
+  //        offset = anchor;
+  //        int length = document.getLength();
+  //
+  //        while (offset < length) {
+  //          c = document.getChar(offset);
+  //          if (!Scanner.isPHPIdentifierPart(c))
+  //            break;
+  //          ++offset;
+  //        }
+  //
+  //        int end = offset;
+  //
+  //        if (start == end)
+  //          return new Region(start, 0);
+  //        else
+  //          return new Region(start + 1, end - start - 1);
+  //
+  //      } catch (BadLocationException x) {
+  //        return null;
+  //      }
+  //    }
+  //
+  //    IRegion getCurrentTextRegion(ISourceViewer viewer) {
+  //
+  //      int offset = getCurrentTextOffset(viewer);
+  //      if (offset == -1)
+  //        return null;
+  //
+  //      return null;
+  //      // IJavaElement input= SelectionConverter.getInput(PHPEditor.this);
+  //      // if (input == null)
+  //      // return null;
+  //      //
+  //      // try {
+  //      //
+  //      // IJavaElement[] elements= null;
+  //      // synchronized (input) {
+  //      // elements= ((ICodeAssist) input).codeSelect(offset, 0);
+  //      // }
+  //      //
+  //      // if (elements == null || elements.length == 0)
+  //      // return null;
+  //      //
+  //      // return selectWord(viewer.getDocument(), offset);
+  //      //
+  //      // } catch (JavaModelException e) {
+  //      // return null;
+  //      // }
+  //    }
+  //
+  //    private int getCurrentTextOffset(ISourceViewer viewer) {
+  //
+  //      try {
+  //        StyledText text = viewer.getTextWidget();
+  //        if (text == null || text.isDisposed())
+  //          return -1;
+  //
+  //        Display display = text.getDisplay();
+  //        Point absolutePosition = display.getCursorLocation();
+  //        Point relativePosition = text.toControl(absolutePosition);
+  //
+  //        int widgetOffset = text.getOffsetAtLocation(relativePosition);
+  //        if (viewer instanceof ITextViewerExtension3) {
+  //          ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+  //          return extension.widgetOffset2ModelOffset(widgetOffset);
+  //        } else {
+  //          return widgetOffset + viewer.getVisibleRegion().getOffset();
+  //        }
+  //
+  //      } catch (IllegalArgumentException e) {
+  //        return -1;
+  //      }
+  //    }
+  //
+  //    private void highlightRegion(ISourceViewer viewer, IRegion region) {
+  //
+  //      if (region.equals(fActiveRegion))
+  //        return;
+  //
+  //      repairRepresentation();
+  //
+  //      StyledText text = viewer.getTextWidget();
+  //      if (text == null || text.isDisposed())
+  //        return;
+  //
+  //      // highlight region
+  //      int offset = 0;
+  //      int length = 0;
+  //
+  //      if (viewer instanceof ITextViewerExtension3) {
+  //        ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+  //        IRegion widgetRange = extension.modelRange2WidgetRange(region);
+  //        if (widgetRange == null)
+  //          return;
+  //
+  //        offset = widgetRange.getOffset();
+  //        length = widgetRange.getLength();
+  //
+  //      } else {
+  //        offset = region.getOffset() - viewer.getVisibleRegion().getOffset();
+  //        length = region.getLength();
+  //      }
+  //
+  //      StyleRange oldStyleRange = text.getStyleRangeAtOffset(offset);
+  //      Color foregroundColor = fColor;
+  //      Color backgroundColor = oldStyleRange == null ? text.getBackground() : oldStyleRange.background;
+  //      StyleRange styleRange = new StyleRange(offset, length, foregroundColor, backgroundColor);
+  //      text.setStyleRange(styleRange);
+  //
+  //      // underline
+  //      text.redrawRange(offset, length, true);
+  //
+  //      fActiveRegion = region;
+  //    }
+  //
+  //    private void activateCursor(ISourceViewer viewer) {
+  //      StyledText text = viewer.getTextWidget();
+  //      if (text == null || text.isDisposed())
+  //        return;
+  //      Display display = text.getDisplay();
+  //      if (fCursor == null)
+  //        fCursor = new Cursor(display, SWT.CURSOR_HAND);
+  //      text.setCursor(fCursor);
+  //    }
+  //
+  //    private void resetCursor(ISourceViewer viewer) {
+  //      StyledText text = viewer.getTextWidget();
+  //      if (text != null && !text.isDisposed())
+  //        text.setCursor(null);
+  //
+  //      if (fCursor != null) {
+  //        fCursor.dispose();
+  //        fCursor = null;
+  //      }
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.KeyListener#keyPressed(org.eclipse.swt.events.KeyEvent)
+  //     */
+  //    public void keyPressed(KeyEvent event) {
+  //
+  //      if (fActive) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      if (event.keyCode != fKeyModifierMask) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      fActive = true;
+  //
+  //      // removed for #25871
+  //      //
+  //      // ISourceViewer viewer= getSourceViewer();
+  //      // if (viewer == null)
+  //      // return;
+  //      //
+  //      // IRegion region= getCurrentTextRegion(viewer);
+  //      // if (region == null)
+  //      // return;
+  //      //
+  //      // highlightRegion(viewer, region);
+  //      // activateCursor(viewer);
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.KeyListener#keyReleased(org.eclipse.swt.events.KeyEvent)
+  //     */
+  //    public void keyReleased(KeyEvent event) {
+  //
+  //      if (!fActive)
+  //        return;
+  //
+  //      deactivate();
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.MouseListener#mouseDoubleClick(org.eclipse.swt.events.MouseEvent)
+  //     */
+  //    public void mouseDoubleClick(MouseEvent e) {
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
+  //     */
+  //    public void mouseDown(MouseEvent event) {
+  //
+  //      if (!fActive)
+  //        return;
+  //
+  //      if (event.stateMask != fKeyModifierMask) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      if (event.button != 1) {
+  //        deactivate();
+  //        return;
+  //      }
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent)
+  //     */
+  //    public void mouseUp(MouseEvent e) {
+  //
+  //      if (!fActive)
+  //        return;
+  //
+  //      if (e.button != 1) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      boolean wasActive = fCursor != null;
+  //
+  //      deactivate();
+  //
+  //      if (wasActive) {
+  //        IAction action = getAction("OpenEditor"); //$NON-NLS-1$
+  //        if (action != null)
+  //          action.run();
+  //      }
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.MouseMoveListener#mouseMove(org.eclipse.swt.events.MouseEvent)
+  //     */
+  //    public void mouseMove(MouseEvent event) {
+  //
+  //      if (event.widget instanceof Control && !((Control) event.widget).isFocusControl()) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      if (!fActive) {
+  //        if (event.stateMask != fKeyModifierMask)
+  //          return;
+  //        // modifier was already pressed
+  //        fActive = true;
+  //      }
+  //
+  //      ISourceViewer viewer = getSourceViewer();
+  //      if (viewer == null) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      StyledText text = viewer.getTextWidget();
+  //      if (text == null || text.isDisposed()) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      if ((event.stateMask & SWT.BUTTON1) != 0 && text.getSelectionCount() != 0) {
+  //        deactivate();
+  //        return;
+  //      }
+  //
+  //      IRegion region = getCurrentTextRegion(viewer);
+  //      if (region == null || region.getLength() == 0) {
+  //        repairRepresentation();
+  //        return;
+  //      }
+  //
+  //      highlightRegion(viewer, region);
+  //      activateCursor(viewer);
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.FocusListener#focusGained(org.eclipse.swt.events.FocusEvent)
+  //     */
+  //    public void focusGained(FocusEvent e) {
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt.events.FocusEvent)
+  //     */
+  //    public void focusLost(FocusEvent event) {
+  //      deactivate();
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
+  //     */
+  //    public void documentAboutToBeChanged(DocumentEvent event) {
+  //      if (fActive && fActiveRegion != null) {
+  //        fRememberedPosition = new Position(fActiveRegion.getOffset(), fActiveRegion.getLength());
+  //        try {
+  //          event.getDocument().addPosition(fRememberedPosition);
+  //        } catch (BadLocationException x) {
+  //          fRememberedPosition = null;
+  //        }
+  //      }
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
+  //     */
+  //    public void documentChanged(DocumentEvent event) {
+  //      if (fRememberedPosition != null && !fRememberedPosition.isDeleted()) {
+  //        event.getDocument().removePosition(fRememberedPosition);
+  //        fActiveRegion = new Region(fRememberedPosition.getOffset(), fRememberedPosition.getLength());
+  //      }
+  //      fRememberedPosition = null;
+  //
+  //      ISourceViewer viewer = getSourceViewer();
+  //      if (viewer != null) {
+  //        StyledText widget = viewer.getTextWidget();
+  //        if (widget != null && !widget.isDisposed()) {
+  //          widget.getDisplay().asyncExec(new Runnable() {
+  //            public void run() {
+  //              deactivate();
+  //            }
+  //          });
+  //        }
+  //      }
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.jface.text.ITextInputListener#inputDocumentAboutToBeChanged(org.eclipse.jface.text.IDocument,
+  //     * org.eclipse.jface.text.IDocument)
+  //     */
+  //    public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) {
+  //      if (oldInput == null)
+  //        return;
+  //      deactivate();
+  //      oldInput.removeDocumentListener(this);
+  //    }
+  //
+  //    /*
+  //     * @see org.eclipse.jface.text.ITextInputListener#inputDocumentChanged(org.eclipse.jface.text.IDocument,
+  //     * org.eclipse.jface.text.IDocument)
+  //     */
+  //    public void inputDocumentChanged(IDocument oldInput, IDocument newInput) {
+  //      if (newInput == null)
+  //        return;
+  //      newInput.addDocumentListener(this);
+  //    }
+  //
+  //    /*
+  //     * @see PaintListener#paintControl(PaintEvent)
+  //     */
+  //    public void paintControl(PaintEvent event) {
+  //      if (fActiveRegion == null)
+  //        return;
+  //
+  //      ISourceViewer viewer = getSourceViewer();
+  //      if (viewer == null)
+  //        return;
+  //
+  //      StyledText text = viewer.getTextWidget();
+  //      if (text == null || text.isDisposed())
+  //        return;
+  //
+  //      int offset = 0;
+  //      int length = 0;
+  //
+  //      if (viewer instanceof ITextViewerExtension3) {
+  //
+  //        ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+  //        IRegion widgetRange = extension.modelRange2WidgetRange(new Region(offset, length));
+  //        if (widgetRange == null)
+  //          return;
+  //
+  //        offset = widgetRange.getOffset();
+  //        length = widgetRange.getLength();
+  //
+  //      } else {
+  //
+  //        IRegion region = viewer.getVisibleRegion();
+  //        if (!includes(region, fActiveRegion))
+  //          return;
+  //
+  //        offset = fActiveRegion.getOffset() - region.getOffset();
+  //        length = fActiveRegion.getLength();
+  //      }
+  //
+  //      // support for bidi
+  //      Point minLocation = getMinimumLocation(text, offset, length);
+  //      Point maxLocation = getMaximumLocation(text, offset, length);
+  //
+  //      int x1 = minLocation.x;
+  //      int x2 = minLocation.x + maxLocation.x - minLocation.x - 1;
+  //      int y = minLocation.y + text.getLineHeight() - 1;
+  //
+  //      GC gc = event.gc;
+  //      if (fColor != null && !fColor.isDisposed())
+  //        gc.setForeground(fColor);
+  //      gc.drawLine(x1, y, x2, y);
+  //    }
+  //
+  //    private boolean includes(IRegion region, IRegion position) {
+  //      return position.getOffset() >= region.getOffset()
+  //          && position.getOffset() + position.getLength() <= region.getOffset() + region.getLength();
+  //    }
+  //
+  //    private Point getMinimumLocation(StyledText text, int offset, int length) {
+  //      Point minLocation = new Point(Integer.MAX_VALUE, Integer.MAX_VALUE);
+  //
+  //      for (int i = 0; i <= length; i++) {
+  //        Point location = text.getLocationAtOffset(offset + i);
+  //
+  //        if (location.x < minLocation.x)
+  //          minLocation.x = location.x;
+  //        if (location.y < minLocation.y)
+  //          minLocation.y = location.y;
+  //      }
+  //
+  //      return minLocation;
+  //    }
+  //
+  //    private Point getMaximumLocation(StyledText text, int offset, int length) {
+  //      Point maxLocation = new Point(Integer.MIN_VALUE, Integer.MIN_VALUE);
+  //
+  //      for (int i = 0; i <= length; i++) {
+  //        Point location = text.getLocationAtOffset(offset + i);
+  //
+  //        if (location.x > maxLocation.x)
+  //          maxLocation.x = location.x;
+  //        if (location.y > maxLocation.y)
+  //          maxLocation.y = location.y;
+  //      }
+  //
+  //      return maxLocation;
+  //    }
+  //  };
+  /*
+   * Link mode.
+   */
+  class MouseClickListener implements KeyListener, MouseListener, MouseMoveListener, FocusListener, PaintListener,
+      IPropertyChangeListener, IDocumentListener, ITextInputListener, ITextPresentationListener {
+
+    /** The session is active. */
+    private boolean fActive;
+
+    /** The currently active style range. */
+    private IRegion fActiveRegion;
+
+    /** The currently active style range as position. */
+    private Position fRememberedPosition;
+
+    /** The hand cursor. */
+    private Cursor fCursor;
+
+    /** The link color. */
+    private Color fColor;
+
+    /** The key modifier mask. */
+    private int fKeyModifierMask;
+
+    public void deactivate() {
+      deactivate(false);
+    }
+
+    public void deactivate(boolean redrawAll) {
+      if (!fActive)
+        return;
+
+      repairRepresentation(redrawAll);
+      fActive = false;
+    }
+
+    public void install() {
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer == null)
+        return;
+
+      StyledText text = sourceViewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      updateColor(sourceViewer);
+
+      sourceViewer.addTextInputListener(this);
+
+      IDocument document = sourceViewer.getDocument();
+      if (document != null)
+        document.addDocumentListener(this);
+
+      text.addKeyListener(this);
+      text.addMouseListener(this);
+      text.addMouseMoveListener(this);
+      text.addFocusListener(this);
+      text.addPaintListener(this);
+
+      ((ITextViewerExtension4) sourceViewer).addTextPresentationListener(this);
+
+      updateKeyModifierMask();
+
+      IPreferenceStore preferenceStore = getPreferenceStore();
+      preferenceStore.addPropertyChangeListener(this);
+    }
+
+    private void updateKeyModifierMask() {
+      String modifiers = getPreferenceStore().getString(BROWSER_LIKE_LINKS_KEY_MODIFIER);
+      fKeyModifierMask = computeStateMask(modifiers);
+      if (fKeyModifierMask == -1) {
+        // Fall back to stored state mask
+        fKeyModifierMask = getPreferenceStore().getInt(BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK);
+      }
+    }
+
+    private int computeStateMask(String modifiers) {
+      if (modifiers == null)
+        return -1;
+
+      if (modifiers.length() == 0)
+        return SWT.NONE;
+
+      int stateMask = 0;
+      StringTokenizer modifierTokenizer = new StringTokenizer(modifiers, ",;.:+-* "); //$NON-NLS-1$
+      while (modifierTokenizer.hasMoreTokens()) {
+        int modifier = EditorUtility.findLocalizedModifier(modifierTokenizer.nextToken());
+        if (modifier == 0 || (stateMask & modifier) == modifier)
+          return -1;
+        stateMask = stateMask | modifier;
+      }
+      return stateMask;
+    }
+
+    public void uninstall() {
+
+      if (fColor != null) {
+        fColor.dispose();
+        fColor = null;
+      }
+
+      if (fCursor != null) {
+        fCursor.dispose();
+        fCursor = null;
+      }
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer != null)
+        sourceViewer.removeTextInputListener(this);
+
+      IDocumentProvider documentProvider = getDocumentProvider();
+      if (documentProvider != null) {
+        IDocument document = documentProvider.getDocument(getEditorInput());
+        if (document != null)
+          document.removeDocumentListener(this);
+      }
+
+      IPreferenceStore preferenceStore = getPreferenceStore();
+      if (preferenceStore != null)
+        preferenceStore.removePropertyChangeListener(this);
+
+      if (sourceViewer == null)
+        return;
+
+      StyledText text = sourceViewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      text.removeKeyListener(this);
+      text.removeMouseListener(this);
+      text.removeMouseMoveListener(this);
+      text.removeFocusListener(this);
+      text.removePaintListener(this);
+
+      ((ITextViewerExtension4) sourceViewer).removeTextPresentationListener(this);
+    }
+
+    /*
+     * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+     */
+    public void propertyChange(PropertyChangeEvent event) {
+      if (event.getProperty().equals(PHPEditor.LINK_COLOR)) {
+        ISourceViewer viewer = getSourceViewer();
+        if (viewer != null)
+          updateColor(viewer);
+      } else if (event.getProperty().equals(BROWSER_LIKE_LINKS_KEY_MODIFIER)) {
+        updateKeyModifierMask();
+      }
+    }
+
+    private void updateColor(ISourceViewer viewer) {
+      if (fColor != null)
+        fColor.dispose();
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      Display display = text.getDisplay();
+      fColor = createColor(getPreferenceStore(), PHPEditor.LINK_COLOR, display);
+    }
+
+    /**
+     * Creates a color from the information stored in the given preference store.
+     * 
+     * @param store
+     *          the preference store
+     * @param key
+     *          the key
+     * @param display
+     *          the display
+     * @return the color or <code>null</code> if there is no such information available
+     */
+    private Color createColor(IPreferenceStore store, String key, Display display) {
+
+      RGB rgb = null;
+
+      if (store.contains(key)) {
+
+        if (store.isDefault(key))
+          rgb = PreferenceConverter.getDefaultColor(store, key);
+        else
+          rgb = PreferenceConverter.getColor(store, key);
+
+        if (rgb != null)
+          return new Color(display, rgb);
+      }
+
+      return null;
+    }
+
+    private void repairRepresentation() {
+      repairRepresentation(false);
+    }
+
+    private void repairRepresentation(boolean redrawAll) {
+
+      if (fActiveRegion == null)
+        return;
+
+      int offset = fActiveRegion.getOffset();
+      int length = fActiveRegion.getLength();
+      fActiveRegion = null;
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer != null) {
+
+        resetCursor(viewer);
+
+        // Invalidate ==> remove applied text presentation
+        if (!redrawAll && viewer instanceof ITextViewerExtension2)
+          ((ITextViewerExtension2) viewer).invalidateTextPresentation(offset, length);
+        else
+          viewer.invalidateTextPresentation();
+
+        // Remove underline
+        if (viewer instanceof ITextViewerExtension5) {
+          ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
+          offset = extension.modelOffset2WidgetOffset(offset);
+        } else {
+          offset -= viewer.getVisibleRegion().getOffset();
+        }
+        try {
+          StyledText text = viewer.getTextWidget();
+
+          text.redrawRange(offset, length, false);
+        } catch (IllegalArgumentException x) {
+          //                                   JavaPlugin.log(x);
+        }
+      }
+    }
+
+    // will eventually be replaced by a method provided by jdt.core
+    private IRegion selectWord(IDocument document, int anchor) {
+
+      try {
+        int offset = anchor;
+        char c;
+
+        while (offset >= 0) {
+          c = document.getChar(offset);
+          if (!Scanner.isPHPIdentifierPart(c) && c != '$')
+            break;
+          --offset;
+        }
+
+        int start = offset;
+
+        offset = anchor;
+        int length = document.getLength();
+
+        while (offset < length) {
+          c = document.getChar(offset);
+          if (!Scanner.isPHPIdentifierPart(c) && c != '$')
+            break;
+          ++offset;
+        }
+
+        int end = offset;
+
+        if (start == end)
+          return new Region(start, 0);
+        else
+          return new Region(start + 1, end - start - 1);
+
+      } catch (BadLocationException x) {
+        return null;
+      }
+    }
+
+    IRegion getCurrentTextRegion(ISourceViewer viewer) {
+
+      int offset = getCurrentTextOffset(viewer);
+      if (offset == -1)
+        return null;
+
+      IJavaElement input = SelectionConverter.getInput(PHPEditor.this);
+      if (input == null)
+        return null;
+
+      //                       try {
+
+      //                               IJavaElement[] elements= null;
+      //                               synchronized (input) {
+      //                                       elements= ((ICodeAssist) input).codeSelect(offset, 0);
+      //                               }
+      //                               
+      //                               if (elements == null || elements.length == 0)
+      //                                       return null;
+
+      return selectWord(viewer.getDocument(), offset);
+
+      //                       } catch (JavaModelException e) {
+      //                               return null;
+      //                       }
+    }
+
+    private int getCurrentTextOffset(ISourceViewer viewer) {
+
+      try {
+        StyledText text = viewer.getTextWidget();
+        if (text == null || text.isDisposed())
+          return -1;
+
+        Display display = text.getDisplay();
+        Point absolutePosition = display.getCursorLocation();
+        Point relativePosition = text.toControl(absolutePosition);
+
+        int widgetOffset = text.getOffsetAtLocation(relativePosition);
+        if (viewer instanceof ITextViewerExtension5) {
+          ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
+          return extension.widgetOffset2ModelOffset(widgetOffset);
+        } else {
+          return widgetOffset + viewer.getVisibleRegion().getOffset();
+        }
+
+      } catch (IllegalArgumentException e) {
+        return -1;
+      }
+    }
+
+    public void applyTextPresentation(TextPresentation textPresentation) {
+      if (fActiveRegion == null)
+        return;
+      IRegion region = textPresentation.getExtent();
+      if (fActiveRegion.getOffset() + fActiveRegion.getLength() >= region.getOffset()
+          && region.getOffset() + region.getLength() > fActiveRegion.getOffset())
+        textPresentation.mergeStyleRange(new StyleRange(fActiveRegion.getOffset(), fActiveRegion.getLength(), fColor, null));
+    }
+
+    private void highlightRegion(ISourceViewer viewer, IRegion region) {
+
+      if (region.equals(fActiveRegion))
+        return;
+
+      repairRepresentation();
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      // Underline
+      int offset = 0;
+      int length = 0;
+      if (viewer instanceof ITextViewerExtension5) {
+        ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
+        IRegion widgetRange = extension.modelRange2WidgetRange(region);
+        if (widgetRange == null)
+          return;
+
+        offset = widgetRange.getOffset();
+        length = widgetRange.getLength();
+
+      } else {
+        offset = region.getOffset() - viewer.getVisibleRegion().getOffset();
+        length = region.getLength();
+      }
+      text.redrawRange(offset, length, false);
+
+      // Invalidate region ==> apply text presentation
+      fActiveRegion = region;
+      if (viewer instanceof ITextViewerExtension2)
+        ((ITextViewerExtension2) viewer).invalidateTextPresentation(region.getOffset(), region.getLength());
+      else
+        viewer.invalidateTextPresentation();
+    }
+
+    private void activateCursor(ISourceViewer viewer) {
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+      Display display = text.getDisplay();
+      if (fCursor == null)
+        fCursor = new Cursor(display, SWT.CURSOR_HAND);
+      text.setCursor(fCursor);
+    }
+
+    private void resetCursor(ISourceViewer viewer) {
+      StyledText text = viewer.getTextWidget();
+      if (text != null && !text.isDisposed())
+        text.setCursor(null);
+
+      if (fCursor != null) {
+        fCursor.dispose();
+        fCursor = null;
+      }
+    }
+
+    /*
+     * @see org.eclipse.swt.events.KeyListener#keyPressed(org.eclipse.swt.events.KeyEvent)
+     */
+    public void keyPressed(KeyEvent event) {
+
+      if (fActive) {
+        deactivate();
+        return;
+      }
+
+      if (event.keyCode != fKeyModifierMask) {
+        deactivate();
+        return;
+      }
+
+      fActive = true;
+
+      //                       removed for #25871
+      //
+      //                       ISourceViewer viewer= getSourceViewer();
+      //                       if (viewer == null)
+      //                               return;
+      //                       
+      //                       IRegion region= getCurrentTextRegion(viewer);
+      //                       if (region == null)
+      //                               return;
+      //                       
+      //                       highlightRegion(viewer, region);
+      //                       activateCursor(viewer);
+    }
+
+    /*
+     * @see org.eclipse.swt.events.KeyListener#keyReleased(org.eclipse.swt.events.KeyEvent)
+     */
+    public void keyReleased(KeyEvent event) {
+
+      if (!fActive)
+        return;
+
+      deactivate();
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseListener#mouseDoubleClick(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseDoubleClick(MouseEvent e) {
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseDown(MouseEvent event) {
+
+      if (!fActive)
+        return;
+
+      if (event.stateMask != fKeyModifierMask) {
+        deactivate();
+        return;
+      }
+
+      if (event.button != 1) {
+        deactivate();
+        return;
+      }
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseUp(MouseEvent e) {
+
+      if (!fActive)
+        return;
+
+      if (e.button != 1) {
+        deactivate();
+        return;
+      }
+
+      boolean wasActive = fCursor != null;
+
+      deactivate();
+
+      if (wasActive) {
+        IAction action = getAction("OpenEditor"); //$NON-NLS-1$
+        if (action != null)
+          action.run();
+      }
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseMoveListener#mouseMove(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseMove(MouseEvent event) {
+
+      if (event.widget instanceof Control && !((Control) event.widget).isFocusControl()) {
+        deactivate();
+        return;
+      }
+
+      if (!fActive) {
+        if (event.stateMask != fKeyModifierMask)
+          return;
+        // modifier was already pressed
+        fActive = true;
+      }
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer == null) {
+        deactivate();
+        return;
+      }
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed()) {
+        deactivate();
+        return;
+      }
+
+      if ((event.stateMask & SWT.BUTTON1) != 0 && text.getSelectionCount() != 0) {
+        deactivate();
+        return;
+      }
+
+      IRegion region = getCurrentTextRegion(viewer);
+      if (region == null || region.getLength() == 0) {
+        repairRepresentation();
+        return;
+      }
+
+      highlightRegion(viewer, region);
+      activateCursor(viewer);
+    }
+
+    /*
+     * @see org.eclipse.swt.events.FocusListener#focusGained(org.eclipse.swt.events.FocusEvent)
+     */
+    public void focusGained(FocusEvent e) {
+    }
+
+    /*
+     * @see org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt.events.FocusEvent)
+     */
+    public void focusLost(FocusEvent event) {
+      deactivate();
+    }
+
+    /*
+     * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
+     */
+    public void documentAboutToBeChanged(DocumentEvent event) {
+      if (fActive && fActiveRegion != null) {
+        fRememberedPosition = new Position(fActiveRegion.getOffset(), fActiveRegion.getLength());
+        try {
+          event.getDocument().addPosition(fRememberedPosition);
+        } catch (BadLocationException x) {
+          fRememberedPosition = null;
+        }
+      }
+    }
+
+    /*
+     * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
+     */
+    public void documentChanged(DocumentEvent event) {
+      if (fRememberedPosition != null) {
+        if (!fRememberedPosition.isDeleted()) {
+
+          event.getDocument().removePosition(fRememberedPosition);
+          fActiveRegion = new Region(fRememberedPosition.getOffset(), fRememberedPosition.getLength());
+          fRememberedPosition = null;
+
+          ISourceViewer viewer = getSourceViewer();
+          if (viewer != null) {
+            StyledText widget = viewer.getTextWidget();
+            if (widget != null && !widget.isDisposed()) {
+              widget.getDisplay().asyncExec(new Runnable() {
+                public void run() {
+                  deactivate();
+                }
+              });
+            }
+          }
+
+        } else {
+          fActiveRegion = null;
+          fRememberedPosition = null;
+          deactivate();
+        }
+      }
+    }
+
+    /*
+     * @see org.eclipse.jface.text.ITextInputListener#inputDocumentAboutToBeChanged(org.eclipse.jface.text.IDocument,
+     *      org.eclipse.jface.text.IDocument)
+     */
+    public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) {
+      if (oldInput == null)
+        return;
+      deactivate();
+      oldInput.removeDocumentListener(this);
+    }
+
+    /*
+     * @see org.eclipse.jface.text.ITextInputListener#inputDocumentChanged(org.eclipse.jface.text.IDocument,
+     *      org.eclipse.jface.text.IDocument)
+     */
+    public void inputDocumentChanged(IDocument oldInput, IDocument newInput) {
+      if (newInput == null)
+        return;
+      newInput.addDocumentListener(this);
+    }
+
+    /*
+     * @see PaintListener#paintControl(PaintEvent)
+     */
+    public void paintControl(PaintEvent event) {
+      if (fActiveRegion == null)
+        return;
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer == null)
+        return;
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      int offset = 0;
+      int length = 0;
+
+      if (viewer instanceof ITextViewerExtension5) {
+
+        ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
+        IRegion widgetRange = extension.modelRange2WidgetRange(fActiveRegion);
+        if (widgetRange == null)
+          return;
+
+        offset = widgetRange.getOffset();
+        length = widgetRange.getLength();
+
+      } else {
+
+        IRegion region = viewer.getVisibleRegion();
+        if (!includes(region, fActiveRegion))
+          return;
+
+        offset = fActiveRegion.getOffset() - region.getOffset();
+        length = fActiveRegion.getLength();
+      }
+
+      // support for bidi
+      Point minLocation = getMinimumLocation(text, offset, length);
+      Point maxLocation = getMaximumLocation(text, offset, length);
+
+      int x1 = minLocation.x;
+      int x2 = minLocation.x + maxLocation.x - minLocation.x - 1;
+      int y = minLocation.y + text.getLineHeight() - 1;
+
+      GC gc = event.gc;
+      if (fColor != null && !fColor.isDisposed())
+        gc.setForeground(fColor);
+      gc.drawLine(x1, y, x2, y);
+    }
+
+    private boolean includes(IRegion region, IRegion position) {
+      return position.getOffset() >= region.getOffset()
+          && position.getOffset() + position.getLength() <= region.getOffset() + region.getLength();
+    }
+
+    private Point getMinimumLocation(StyledText text, int offset, int length) {
+      Point minLocation = new Point(Integer.MAX_VALUE, Integer.MAX_VALUE);
+
+      for (int i = 0; i <= length; i++) {
+        Point location = text.getLocationAtOffset(offset + i);
+
+        if (location.x < minLocation.x)
+          minLocation.x = location.x;
+        if (location.y < minLocation.y)
+          minLocation.y = location.y;
+      }
+
+      return minLocation;
+    }
+
+    private Point getMaximumLocation(StyledText text, int offset, int length) {
+      Point maxLocation = new Point(Integer.MIN_VALUE, Integer.MIN_VALUE);
+
+      for (int i = 0; i <= length; i++) {
+        Point location = text.getLocationAtOffset(offset + i);
+
+        if (location.x > maxLocation.x)
+          maxLocation.x = location.x;
+        if (location.y > maxLocation.y)
+          maxLocation.y = location.y;
+      }
+
+      return maxLocation;
+    }
+  }
+
+  /**
+   * This action dispatches into two behaviours: If there is no current text hover, the javadoc is displayed using information
+   * presenter. If there is a current text hover, it is converted into a information presenter in order to make it sticky.
+   */
+  class InformationDispatchAction extends TextEditorAction {
+
+    /** The wrapped text operation action. */
+    private final TextOperationAction fTextOperationAction;
+
+    /**
+     * Creates a dispatch action.
+     */
+    public InformationDispatchAction(ResourceBundle resourceBundle, String prefix, final TextOperationAction textOperationAction) {
+      super(resourceBundle, prefix, PHPEditor.this);
+      if (textOperationAction == null)
+        throw new IllegalArgumentException();
+      fTextOperationAction = textOperationAction;
+    }
+
+    /*
+     * @see org.eclipse.jface.action.IAction#run()
+     */
+    public void run() {
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer == null) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      if (!(sourceViewer instanceof ITextViewerExtension2)) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      ITextViewerExtension2 textViewerExtension2 = (ITextViewerExtension2) sourceViewer;
+
+      // does a text hover exist?
+      ITextHover textHover = textViewerExtension2.getCurrentTextHover();
+      if (textHover == null) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      Point hoverEventLocation = textViewerExtension2.getHoverEventLocation();
+      int offset = computeOffsetAtLocation(sourceViewer, hoverEventLocation.x, hoverEventLocation.y);
+      if (offset == -1) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      try {
+        // get the text hover content
+        IDocument document = sourceViewer.getDocument();
+        String contentType = document.getContentType(offset);
+
+        final IRegion hoverRegion = textHover.getHoverRegion(sourceViewer, offset);
+        if (hoverRegion == null)
+          return;
+
+        final String hoverInfo = textHover.getHoverInfo(sourceViewer, hoverRegion);
+
+        // with information provider
+        IInformationProvider informationProvider = new IInformationProvider() {
+          /*
+           * @see org.eclipse.jface.text.information.IInformationProvider#getSubject(org.eclipse.jface.text.ITextViewer, int)
+           */
+          public IRegion getSubject(ITextViewer textViewer, int offset) {
+            return hoverRegion;
+          }
+
+          /*
+           * @see org.eclipse.jface.text.information.IInformationProvider#getInformation(org.eclipse.jface.text.ITextViewer,
+           *      org.eclipse.jface.text.IRegion)
+           */
+          public String getInformation(ITextViewer textViewer, IRegion subject) {
+            return hoverInfo;
+          }
+        };
+
+        fInformationPresenter.setOffset(offset);
+        fInformationPresenter.setInformationProvider(informationProvider, contentType);
+        fInformationPresenter.showInformation();
+
+      } catch (BadLocationException e) {
+      }
+    }
+
+    // modified version from TextViewer
+    private int computeOffsetAtLocation(ITextViewer textViewer, int x, int y) {
+
+      StyledText styledText = textViewer.getTextWidget();
+      IDocument document = textViewer.getDocument();
+
+      if (document == null)
+        return -1;
+
+      try {
+        int widgetLocation = styledText.getOffsetAtLocation(new Point(x, y));
+        if (textViewer instanceof ITextViewerExtension3) {
+          ITextViewerExtension3 extension = (ITextViewerExtension3) textViewer;
+          return extension.widgetOffset2ModelOffset(widgetLocation);
+        } else {
+          IRegion visibleRegion = textViewer.getVisibleRegion();
+          return widgetLocation + visibleRegion.getOffset();
+        }
+      } catch (IllegalArgumentException e) {
+        return -1;
+      }
+
+    }
+  };
+
+  /**
+   * This action implements smart home.
+   * 
+   * Instead of going to the start of a line it does the following:
+   *  - if smart home/end is enabled and the caret is after the line's first non-whitespace then the caret is moved directly before
+   * it, taking JavaDoc and multi-line comments into account. - if the caret is before the line's first non-whitespace the caret is
+   * moved to the beginning of the line - if the caret is at the beginning of the line see first case.
+   * 
+   * @since 3.0
+   */
+  protected class SmartLineStartAction extends LineStartAction {
+
+    /**
+     * Creates a new smart line start action
+     * 
+     * @param textWidget
+     *          the styled text widget
+     * @param doSelect
+     *          a boolean flag which tells if the text up to the beginning of the line should be selected
+     */
+    public SmartLineStartAction(final StyledText textWidget, final boolean doSelect) {
+      super(textWidget, doSelect);
+    }
+
+    /*
+     * @see org.eclipse.ui.texteditor.AbstractTextEditor.LineStartAction#getLineStartPosition(java.lang.String, int,
+     *      java.lang.String)
+     */
+    protected int getLineStartPosition(final IDocument document, final String line, final int length, final int offset) {
+
+      String type = IDocument.DEFAULT_CONTENT_TYPE;
+      try {
+        type = TextUtilities.getContentType(document, IPHPPartitions.PHP_PARTITIONING, offset, true);
+      } catch (BadLocationException exception) {
+        // Should not happen
+      }
+
+      int index = super.getLineStartPosition(document, line, length, offset);
+      if (type.equals(IPHPPartitions.PHP_PHPDOC_COMMENT) || type.equals(IPHPPartitions.PHP_MULTILINE_COMMENT)) {
+        if (index < length - 1 && line.charAt(index) == '*' && line.charAt(index + 1) != '/') {
+          do {
+            ++index;
+          } while (index < length && Character.isWhitespace(line.charAt(index)));
+        }
+      } else {
+        if (index < length - 1 && line.charAt(index) == '/' && line.charAt(index + 1) == '/') {
+          index++;
+          do {
+            ++index;
+          } while (index < length && Character.isWhitespace(line.charAt(index)));
+        }
+      }
+      return index;
+    }
+  }
+
+  /**
+   * Text navigation action to navigate to the next sub-word.
+   * 
+   * @since 3.0
+   */
+  protected abstract class NextSubWordAction extends TextNavigationAction {
+
+    protected JavaWordIterator fIterator = new JavaWordIterator();
+
+    /**
+     * Creates a new next sub-word action.
+     * 
+     * @param code
+     *          Action code for the default operation. Must be an action code from
+     * @see org.eclipse.swt.custom.ST.
+     */
+    protected NextSubWordAction(int code) {
+      super(getSourceViewer().getTextWidget(), code);
+    }
+
+    /*
+     * @see org.eclipse.jface.action.IAction#run()
+     */
+    public void run() {
+      // Check whether we are in a java code partition and the preference is enabled
+      final IPreferenceStore store = getPreferenceStore();
+      if (!store.getBoolean(PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION)) {
+        super.run();
+        return;
+      }
+
+      final ISourceViewer viewer = getSourceViewer();
+      final IDocument document = viewer.getDocument();
+      fIterator.setText((CharacterIterator) new DocumentCharacterIterator(document));
+      int position = widgetOffset2ModelOffset(viewer, viewer.getTextWidget().getCaretOffset());
+      if (position == -1)
+        return;
+
+      int next = findNextPosition(position);
+      if (next != BreakIterator.DONE) {
+        setCaretPosition(next);
+        getTextWidget().showSelection();
+        fireSelectionChanged();
+      }
+
+    }
+
+    /**
+     * Finds the next position after the given position.
+     * 
+     * @param position
+     *          the current position
+     * @return the next position
+     */
+    protected int findNextPosition(int position) {
+      ISourceViewer viewer = getSourceViewer();
+      int widget = -1;
+      while (position != BreakIterator.DONE && widget == -1) { // TODO: optimize
+        position = fIterator.following(position);
+        if (position != BreakIterator.DONE)
+          widget = modelOffset2WidgetOffset(viewer, position);
+      }
+      return position;
+    }
+
+    /**
+     * Sets the caret position to the sub-word boundary given with <code>position</code>.
+     * 
+     * @param position
+     *          Position where the action should move the caret
+     */
+    protected abstract void setCaretPosition(int position);
+  }
+
+  /**
+   * Text navigation action to navigate to the next sub-word.
+   * 
+   * @since 3.0
+   */
+  protected class NavigateNextSubWordAction extends NextSubWordAction {
+
+    /**
+     * Creates a new navigate next sub-word action.
+     */
+    public NavigateNextSubWordAction() {
+      super(ST.WORD_NEXT);
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#setCaretPosition(int)
+     */
+    protected void setCaretPosition(final int position) {
+      getTextWidget().setCaretOffset(modelOffset2WidgetOffset(getSourceViewer(), position));
+    }
+  }
+
+  /**
+   * Text operation action to delete the next sub-word.
+   * 
+   * @since 3.0
+   */
+  protected class DeleteNextSubWordAction extends NextSubWordAction implements IUpdate {
+
+    /**
+     * Creates a new delete next sub-word action.
+     */
+    public DeleteNextSubWordAction() {
+      super(ST.DELETE_WORD_NEXT);
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#setCaretPosition(int)
+     */
+    protected void setCaretPosition(final int position) {
+      if (!validateEditorInputState())
+        return;
+
+      final ISourceViewer viewer = getSourceViewer();
+      final int caret = widgetOffset2ModelOffset(viewer, viewer.getTextWidget().getCaretOffset());
+
+      try {
+        viewer.getDocument().replace(caret, position - caret, ""); //$NON-NLS-1$
+      } catch (BadLocationException exception) {
+        // Should not happen
+      }
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#findNextPosition(int)
+     */
+    protected int findNextPosition(int position) {
+      return fIterator.following(position);
+    }
+
+    /*
+     * @see org.eclipse.ui.texteditor.IUpdate#update()
+     */
+    public void update() {
+      setEnabled(isEditorInputModifiable());
+    }
+  }
+
+  /**
+   * Text operation action to select the next sub-word.
+   * 
+   * @since 3.0
+   */
+  protected class SelectNextSubWordAction extends NextSubWordAction {
+
+    /**
+     * Creates a new select next sub-word action.
+     */
+    public SelectNextSubWordAction() {
+      super(ST.SELECT_WORD_NEXT);
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.NextSubWordAction#setCaretPosition(int)
+     */
+    protected void setCaretPosition(final int position) {
+      final ISourceViewer viewer = getSourceViewer();
+
+      final StyledText text = viewer.getTextWidget();
+      if (text != null && !text.isDisposed()) {
+
+        final Point selection = text.getSelection();
+        final int caret = text.getCaretOffset();
+        final int offset = modelOffset2WidgetOffset(viewer, position);
+
+        if (caret == selection.x)
+          text.setSelectionRange(selection.y, offset - selection.y);
+        else
+          text.setSelectionRange(selection.x, offset - selection.x);
+      }
+    }
+  }
+
+  /**
+   * Text navigation action to navigate to the previous sub-word.
+   * 
+   * @since 3.0
+   */
+  protected abstract class PreviousSubWordAction extends TextNavigationAction {
+
+    protected JavaWordIterator fIterator = new JavaWordIterator();
+
+    /**
+     * Creates a new previous sub-word action.
+     * 
+     * @param code
+     *          Action code for the default operation. Must be an action code from
+     * @see org.eclipse.swt.custom.ST.
+     */
+    protected PreviousSubWordAction(final int code) {
+      super(getSourceViewer().getTextWidget(), code);
+    }
+
+    /*
+     * @see org.eclipse.jface.action.IAction#run()
+     */
+    public void run() {
+      // Check whether we are in a java code partition and the preference is enabled
+      final IPreferenceStore store = getPreferenceStore();
+      if (!store.getBoolean(PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION)) {
+        super.run();
+        return;
+      }
+
+      final ISourceViewer viewer = getSourceViewer();
+      final IDocument document = viewer.getDocument();
+      fIterator.setText((CharacterIterator) new DocumentCharacterIterator(document));
+      int position = widgetOffset2ModelOffset(viewer, viewer.getTextWidget().getCaretOffset());
+      if (position == -1)
+        return;
+
+      int previous = findPreviousPosition(position);
+      if (previous != BreakIterator.DONE) {
+        setCaretPosition(previous);
+        getTextWidget().showSelection();
+        fireSelectionChanged();
+      }
+
+    }
+
+    /**
+     * Finds the previous position before the given position.
+     * 
+     * @param position
+     *          the current position
+     * @return the previous position
+     */
+    protected int findPreviousPosition(int position) {
+      ISourceViewer viewer = getSourceViewer();
+      int widget = -1;
+      while (position != BreakIterator.DONE && widget == -1) { // TODO: optimize
+        position = fIterator.preceding(position);
+        if (position != BreakIterator.DONE)
+          widget = modelOffset2WidgetOffset(viewer, position);
+      }
+      return position;
+    }
+
+    /**
+     * Sets the caret position to the sub-word boundary given with <code>position</code>.
+     * 
+     * @param position
+     *          Position where the action should move the caret
+     */
+    protected abstract void setCaretPosition(int position);
+  }
+
+  /**
+   * Text navigation action to navigate to the previous sub-word.
+   * 
+   * @since 3.0
+   */
+  protected class NavigatePreviousSubWordAction extends PreviousSubWordAction {
+
+    /**
+     * Creates a new navigate previous sub-word action.
+     */
+    public NavigatePreviousSubWordAction() {
+      super(ST.WORD_PREVIOUS);
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#setCaretPosition(int)
+     */
+    protected void setCaretPosition(final int position) {
+      getTextWidget().setCaretOffset(modelOffset2WidgetOffset(getSourceViewer(), position));
+    }
+  }
+
+  /**
+   * Text operation action to delete the previous sub-word.
+   * 
+   * @since 3.0
+   */
+  protected class DeletePreviousSubWordAction extends PreviousSubWordAction implements IUpdate {
+
+    /**
+     * Creates a new delete previous sub-word action.
+     */
+    public DeletePreviousSubWordAction() {
+      super(ST.DELETE_WORD_PREVIOUS);
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#setCaretPosition(int)
+     */
+    protected void setCaretPosition(final int position) {
+      if (!validateEditorInputState())
+        return;
+
+      final ISourceViewer viewer = getSourceViewer();
+      final int caret = widgetOffset2ModelOffset(viewer, viewer.getTextWidget().getCaretOffset());
+
+      try {
+        viewer.getDocument().replace(position, caret - position, ""); //$NON-NLS-1$
+      } catch (BadLocationException exception) {
+        // Should not happen
+      }
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#findPreviousPosition(int)
+     */
+    protected int findPreviousPosition(int position) {
+      return fIterator.preceding(position);
+    }
+
+    /*
+     * @see org.eclipse.ui.texteditor.IUpdate#update()
+     */
+    public void update() {
+      setEnabled(isEditorInputModifiable());
+    }
+  }
+
+  /**
+   * Text operation action to select the previous sub-word.
+   * 
+   * @since 3.0
+   */
+  protected class SelectPreviousSubWordAction extends PreviousSubWordAction {
+
+    /**
+     * Creates a new select previous sub-word action.
+     */
+    public SelectPreviousSubWordAction() {
+      super(ST.SELECT_WORD_PREVIOUS);
+    }
+
+    /*
+     * @see net.sourceforge.phpdt.internal.ui.javaeditor.JavaEditor.PreviousSubWordAction#setCaretPosition(int)
+     */
+    protected void setCaretPosition(final int position) {
+      final ISourceViewer viewer = getSourceViewer();
+
+      final StyledText text = viewer.getTextWidget();
+      if (text != null && !text.isDisposed()) {
+
+        final Point selection = text.getSelection();
+        final int caret = text.getCaretOffset();
+        final int offset = modelOffset2WidgetOffset(viewer, position);
+
+        if (caret == selection.x)
+          text.setSelectionRange(selection.y, offset - selection.y);
+        else
+          text.setSelectionRange(selection.x, offset - selection.x);
+      }
+    }
+  }
+
+  //  static protected class AnnotationAccess implements IAnnotationAccess {
+  //    /*
+  //     * @see
+  // org.eclipse.jface.text.source.IAnnotationAccess#getType(org.eclipse.jface.text.source.Annotation)
+  //     */
+  //    public Object getType(Annotation annotation) {
+  //      if (annotation instanceof IJavaAnnotation) {
+  //        IJavaAnnotation javaAnnotation = (IJavaAnnotation) annotation;
+  //   // if (javaAnnotation.isRelevant())
+  //   // return javaAnnotation.getAnnotationType();
+  //      }
+  //      return null;
+  //    }
+  //
+  //    /*
+  //     * @see
+  // org.eclipse.jface.text.source.IAnnotationAccess#isMultiLine(org.eclipse.jface.text.source.Annotation)
+  //     */
+  //    public boolean isMultiLine(Annotation annotation) {
+  //      return true;
+  //    }
+  //
+  //    /*
+  //     * @see
+  // org.eclipse.jface.text.source.IAnnotationAccess#isTemporary(org.eclipse.jface.text.source.Annotation)
+  //     */
+  //    public boolean isTemporary(Annotation annotation) {
+  //      if (annotation instanceof IJavaAnnotation) {
+  //        IJavaAnnotation javaAnnotation = (IJavaAnnotation) annotation;
+  //        if (javaAnnotation.isRelevant())
+  //          return javaAnnotation.isTemporary();
+  //      }
+  //      return false;
+  //    }
+  //  };
+
+  private class PropertyChangeListener implements org.eclipse.core.runtime.Preferences.IPropertyChangeListener {
+    /*
+     * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+     */
+    public void propertyChange(org.eclipse.core.runtime.Preferences.PropertyChangeEvent event) {
+      handlePreferencePropertyChanged(event);
+    }
+  };
+
+  /**
+   * Finds and marks occurrence annotations.
+   * 
+   * @since 3.0
+   */
+  class OccurrencesFinderJob extends Job implements IDocumentListener {
+
+    private IDocument fDocument;
+
+    private boolean fCancelled = false;
+
+    private IProgressMonitor fProgressMonitor;
+
+    private Position[] fPositions;
+
+    public OccurrencesFinderJob(IDocument document, Position[] positions) {
+      super("Occurrences Marker"); //$NON-NLS-1$
+      fDocument = document;
+      fPositions = positions;
+      fDocument.addDocumentListener(this);
+    }
+
+    private boolean isCancelled() {
+      return fCancelled || fProgressMonitor.isCanceled();
+    }
+
+    /*
+     * @see Job#run(org.eclipse.core.runtime.IProgressMonitor)
+     */
+    public IStatus run(IProgressMonitor progressMonitor) {
+
+      fProgressMonitor = progressMonitor;
+
+      try {
+
+        if (isCancelled())
+          return Status.CANCEL_STATUS;
+
+        ITextViewer textViewer = getViewer();
+        if (textViewer == null)
+          return Status.CANCEL_STATUS;
+
+        IDocument document = textViewer.getDocument();
+        if (document == null)
+          return Status.CANCEL_STATUS;
+
+        IDocumentProvider documentProvider = getDocumentProvider();
+        if (documentProvider == null)
+          return Status.CANCEL_STATUS;
+
+        IAnnotationModel annotationModel = documentProvider.getAnnotationModel(getEditorInput());
+        if (annotationModel == null)
+          return Status.CANCEL_STATUS;
+
+        // Add occurrence annotations
+        int length = fPositions.length;
+        Map annotationMap = new HashMap(length);
+        for (int i = 0; i < length; i++) {
+
+          if (isCancelled())
+            return Status.CANCEL_STATUS;
+
+          String message;
+          Position position = fPositions[i];
+
+          // Create & add annotation
+          try {
+            message = document.get(position.offset, position.length);
+          } catch (BadLocationException ex) {
+            // Skip this match
+            continue;
+          }
+          annotationMap.put(new Annotation("net.sourceforge.phpdt.ui.occurrences", false, message), //$NON-NLS-1$
+              position);
+        }
+
+        if (isCancelled())
+          return Status.CANCEL_STATUS;
+
+        synchronized (annotationModel) {
+          if (annotationModel instanceof IAnnotationModelExtension) {
+            ((IAnnotationModelExtension) annotationModel).replaceAnnotations(fOccurrenceAnnotations, annotationMap);
+          } else {
+            removeOccurrenceAnnotations();
+            Iterator iter = annotationMap.entrySet().iterator();
+            while (iter.hasNext()) {
+              Map.Entry mapEntry = (Map.Entry) iter.next();
+              annotationModel.addAnnotation((Annotation) mapEntry.getKey(), (Position) mapEntry.getValue());
+            }
+          }
+          fOccurrenceAnnotations = (Annotation[]) annotationMap.keySet().toArray(new Annotation[annotationMap.keySet().size()]);
+        }
+      } finally {
+        fDocument.removeDocumentListener(this);
+      }
+      return Status.OK_STATUS;
+    }
+
+    /*
+     * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
+     */
+    public void documentAboutToBeChanged(DocumentEvent event) {
+      fCancelled = true;
+    }
+
+    /*
+     * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
+     */
+    public void documentChanged(DocumentEvent event) {
+    }
+  }
+
+  /**
+   * Updates the selection in the editor's widget with the selection of the outline page.
+   */
+  class OutlineSelectionChangedListener extends AbstractSelectionChangedListener {
+    public void selectionChanged(SelectionChangedEvent event) {
+      doSelectionChanged(event);
+    }
+  }
+
+  /**
+   * Holds the current occurrence annotations.
+   * 
+   * @since 3.0
+   */
+  private Annotation[] fOccurrenceAnnotations = null;
+
+  private Job fOccurrencesFinderJob;
+
+  /** Preference key for showing the line number ruler */
+  //  private final static String LINE_NUMBER_RULER =
+  // PreferenceConstants.EDITOR_LINE_NUMBER_RULER;
+  /** Preference key for the foreground color of the line numbers */
+  // private final static String LINE_NUMBER_COLOR =
+  // PreferenceConstants.EDITOR_LINE_NUMBER_RULER_COLOR;
+  /** Preference key for the link color */
+  private final static String LINK_COLOR = PreferenceConstants.EDITOR_LINK_COLOR;
+
+  /** Preference key for compiler task tags */
+  private final static String COMPILER_TASK_TAGS = JavaCore.COMPILER_TASK_TAGS;
+
+  // protected PHPActionGroup fActionGroups;
+  //  /** The outline page */
+  //  private AbstractContentOutlinePage fOutlinePage;
+  /** The outline page */
+  protected JavaOutlinePage fOutlinePage;
+
+  /** Outliner context menu Id */
+  protected String fOutlinerContextMenuId;
+
+  /**
+   * Indicates whether this editor should react on outline page selection changes
+   */
+  private int fIgnoreOutlinePageSelection;
+
+  /** The outline page selection updater */
+  //  private OutlinePageSelectionUpdater fUpdater;
+  //  protected PHPSyntaxParserThread fValidationThread = null;
+  // private IPreferenceStore fPHPPrefStore;
+  /** The selection changed listener */
+  //  protected ISelectionChangedListener fSelectionChangedListener = new
+  // SelectionChangedListener();
+  /**
+   * The editor selection changed listener.
+   * 
+   * @since 3.0
+   */
+  private EditorSelectionChangedListener fEditorSelectionChangedListener;
+
+  /** The selection changed listener */
+  protected AbstractSelectionChangedListener fOutlineSelectionChangedListener = new OutlineSelectionChangedListener();
+
+  /** The editor's bracket matcher */
+  private PHPPairMatcher fBracketMatcher = new PHPPairMatcher(BRACKETS);
+
+  /** The line number ruler column */
+  //  private LineNumberRulerColumn fLineNumberRulerColumn;
+  /** This editor's encoding support */
+  private DefaultEncodingSupport fEncodingSupport;
+
+  /** The mouse listener */
+  private MouseClickListener fMouseListener;
+
+  /**
+   * Indicates whether this editor is about to update any annotation views.
+   * 
+   * @since 3.0
+   */
+  private boolean fIsUpdatingAnnotationViews = false;
+
+  /**
+   * The marker that served as last target for a goto marker request.
+   * 
+   * @since 3.0
+   */
+  private IMarker fLastMarkerTarget = null;
+
+  protected CompositeActionGroup fActionGroups;
+
+  protected CompositeActionGroup fContextMenuGroup;
+
+  /**
+   * This editor's projection support
+   * 
+   * @since 3.0
+   */
+  private ProjectionSupport fProjectionSupport;
+
+  /**
+   * This editor's projection model updater
+   * 
+   * @since 3.0
+   */
+  private IJavaFoldingStructureProvider fProjectionModelUpdater;
+
+  /**
+   * The override and implements indicator manager for this editor.
+   * 
+   * @since 3.0
+   */
+  //   protected OverrideIndicatorManager fOverrideIndicatorManager;
+  /**
+   * The action group for folding.
+   * 
+   * @since 3.0
+   */
+  private FoldingActionGroup fFoldingGroup;
+
+  /** The information presenter. */
+  private InformationPresenter fInformationPresenter;
+
+  /** The annotation access */
+  //  protected IAnnotationAccess fAnnotationAccess = new AnnotationAccess();
+  /** The overview ruler */
+  protected OverviewRuler isOverviewRulerVisible;
+
+  /** The source viewer decoration support */
+  //protected SourceViewerDecorationSupport fSourceViewerDecorationSupport;
+  /** The overview ruler */
+  //protected OverviewRuler fOverviewRuler;
+  /** The preference property change listener for java core. */
+  private org.eclipse.core.runtime.Preferences.IPropertyChangeListener fPropertyChangeListener = new PropertyChangeListener();
+
+  /**
+   * Returns the most narrow java element including the given offset
+   * 
+   * @param offset
+   *          the offset inside of the requested element
+   */
+  abstract protected IJavaElement getElementAt(int offset);
+
+  /**
+   * Returns the java element of this editor's input corresponding to the given IJavaElement
+   */
+  abstract protected IJavaElement getCorrespondingElement(IJavaElement element);
+
+  /**
+   * Sets the input of the editor's outline page.
+   */
+  abstract protected void setOutlinePageInput(JavaOutlinePage page, IEditorInput input);
+
+  /**
+   * Default constructor.
+   */
+  public PHPEditor() {
+    super();
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#initializeKeyBindingScopes()
+   */
+  protected void initializeKeyBindingScopes() {
+    setKeyBindingScopes(new String[] { "net.sourceforge.phpdt.ui.phpEditorScope" }); //$NON-NLS-1$
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#initializeEditor()
+   */
+  protected void initializeEditor() {
+    //jsurfer old code
+    //    JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+    //    setSourceViewerConfiguration(new PHPSourceViewerConfiguration(textTools, this, IPHPPartitions.PHP_PARTITIONING)); //,
+    // IJavaPartitions.JAVA_PARTITIONING));
+    IPreferenceStore store = createCombinedPreferenceStore(null);
+    setPreferenceStore(store);
+    JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+    setSourceViewerConfiguration(new PHPSourceViewerConfiguration(textTools.getColorManager(), store, this,
+        IPHPPartitions.PHP_PARTITIONING));
+    // TODO changed in 3.x ?
+    //    setRangeIndicator(new DefaultRangeIndicator());
+    //    if (PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE))
+    //      fUpdater = new OutlinePageSelectionUpdater();
+    // jsurfer end
+
+    //         IPreferenceStore store= createCombinedPreferenceStore(null);
+    //         setPreferenceStore(store);
+    //         JavaTextTools textTools=
+    // PHPeclipsePlugin.getDefault().getJavaTextTools();
+    //         setSourceViewerConfiguration(new
+    // JavaSourceViewerConfiguration(textTools.getColorManager(), store,
+    // this, IJavaPartitions.JAVA_PARTITIONING));
+    //         fMarkOccurrenceAnnotations=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_OCCURRENCES);
+    //         fStickyOccurrenceAnnotations=
+    // store.getBoolean(PreferenceConstants.EDITOR_STICKY_OCCURRENCES);
+    //         fMarkTypeOccurrences=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_TYPE_OCCURRENCES);
+    //         fMarkMethodOccurrences=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_METHOD_OCCURRENCES);
+    //         fMarkConstantOccurrences=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_CONSTANT_OCCURRENCES);
+    //         fMarkFieldOccurrences=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_FIELD_OCCURRENCES);
+    //         fMarkLocalVariableypeOccurrences=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_LOCAL_VARIABLE_OCCURRENCES);
+    //         fMarkExceptionOccurrences=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_EXCEPTION_OCCURRENCES);
+    //         fMarkMethodExitPoints=
+    // store.getBoolean(PreferenceConstants.EDITOR_MARK_METHOD_EXIT_POINTS);
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#updatePropertyDependentActions()
+   */
+  protected void updatePropertyDependentActions() {
+    super.updatePropertyDependentActions();
+    if (fEncodingSupport != null)
+      fEncodingSupport.reset();
+  }
+
+  /*
+   * Update the hovering behavior depending on the preferences.
+   */
+  private void updateHoverBehavior() {
+    SourceViewerConfiguration configuration = getSourceViewerConfiguration();
+    String[] types = configuration.getConfiguredContentTypes(getSourceViewer());
+
+    for (int i = 0; i < types.length; i++) {
+
+      String t = types[i];
+
+      int[] stateMasks = configuration.getConfiguredTextHoverStateMasks(getSourceViewer(), t);
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer instanceof ITextViewerExtension2) {
+        if (stateMasks != null) {
+          for (int j = 0; j < stateMasks.length; j++) {
+            int stateMask = stateMasks[j];
+            ITextHover textHover = configuration.getTextHover(sourceViewer, t, stateMask);
+            ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, stateMask);
+          }
+        } else {
+          ITextHover textHover = configuration.getTextHover(sourceViewer, t);
+          ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
+        }
+      } else
+        sourceViewer.setTextHover(configuration.getTextHover(sourceViewer, t), t);
+    }
+  }
+
+  public void updatedTitleImage(Image image) {
+    setTitleImage(image);
+  }
+
+  /*
+   * @see net.sourceforge.phpdt.internal.ui.viewsupport.IViewPartInputProvider#getViewPartInput()
+   */
+  public Object getViewPartInput() {
+    return getEditorInput().getAdapter(IResource.class);
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#doSetSelection(ISelection)
+   */
+  protected void doSetSelection(ISelection selection) {
+    super.doSetSelection(selection);
+    synchronizeOutlinePageSelection();
+  }
+
+  boolean isFoldingEnabled() {
+    return PHPeclipsePlugin.getDefault().getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_FOLDING_ENABLED);
+  }
+
+  /*
+   * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt. widgets.Composite)
+   */
+  public void createPartControl(Composite parent) {
+    super.createPartControl(parent);
+
+    //fSourceViewerDecorationSupport.install(getPreferenceStore());
+
+    ProjectionViewer projectionViewer = (ProjectionViewer) getSourceViewer();
+
+    fProjectionSupport = new ProjectionSupport(projectionViewer, getAnnotationAccess(), getSharedColors());
+    fProjectionSupport.addSummarizableAnnotationType("org.eclipse.ui.workbench.texteditor.error"); //$NON-NLS-1$
+    fProjectionSupport.addSummarizableAnnotationType("org.eclipse.ui.workbench.texteditor.warning"); //$NON-NLS-1$
+    fProjectionSupport.setHoverControlCreator(new IInformationControlCreator() {
+      public IInformationControl createInformationControl(Shell shell) {
+        return new CustomSourceInformationControl(shell, IDocument.DEFAULT_CONTENT_TYPE);
+      }
+    });
+    fProjectionSupport.install();
+
+    fProjectionModelUpdater = PHPeclipsePlugin.getDefault().getFoldingStructureProviderRegistry().getCurrentFoldingProvider();
+    if (fProjectionModelUpdater != null)
+      fProjectionModelUpdater.install(this, projectionViewer);
+
+    if (isFoldingEnabled())
+      projectionViewer.doOperation(ProjectionViewer.TOGGLE);
+    Preferences preferences = PHPeclipsePlugin.getDefault().getPluginPreferences();
+    preferences.addPropertyChangeListener(fPropertyChangeListener);
+
+    IInformationControlCreator informationControlCreator = new IInformationControlCreator() {
+      public IInformationControl createInformationControl(Shell parent) {
+        boolean cutDown = false;
+        int style = cutDown ? SWT.NONE : (SWT.V_SCROLL | SWT.H_SCROLL);
+        return new DefaultInformationControl(parent, SWT.RESIZE, style, new HTMLTextPresenter(cutDown));
+      }
+    };
+
+    fInformationPresenter = new InformationPresenter(informationControlCreator);
+    fInformationPresenter.setSizeConstraints(60, 10, true, true);
+    fInformationPresenter.install(getSourceViewer());
+
+    fEditorSelectionChangedListener = new EditorSelectionChangedListener();
+    fEditorSelectionChangedListener.install(getSelectionProvider());
+
+    if (isBrowserLikeLinks())
+      enableBrowserLikeLinks();
+
+    if (PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_DISABLE_OVERWRITE_MODE))
+      enableOverwriteMode(false);
+
+    setWordWrap();
+    //    getEditorSite().getShell().addShellListener(fActivationListener);
+  }
+
+  private void setWordWrap() {
+    if (getSourceViewer() != null) {
+      getSourceViewer().getTextWidget().setWordWrap(
+          PHPeclipsePlugin.getDefault().getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_WRAP_WORDS));
+    }
+  }
+
+  protected void configureSourceViewerDecorationSupport(SourceViewerDecorationSupport support) {
+
+    support.setCharacterPairMatcher(fBracketMatcher);
+    support.setMatchingCharacterPainterPreferenceKeys(MATCHING_BRACKETS, MATCHING_BRACKETS_COLOR);
+
+    super.configureSourceViewerDecorationSupport(support);
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#gotoMarker(org.eclipse.core.resources.IMarker)
+   */
+  public void gotoMarker(IMarker marker) {
+    fLastMarkerTarget = marker;
+    if (!fIsUpdatingAnnotationViews) {
+      super.gotoMarker(marker);
+    }
+  }
+
+  /**
+   * Jumps to the next enabled annotation according to the given direction. An annotation type is enabled if it is configured to be
+   * in the Next/Previous tool bar drop down menu and if it is checked.
+   * 
+   * @param forward
+   *          <code>true</code> if search direction is forward, <code>false</code> if backward
+   */
+  public void gotoAnnotation(boolean forward) {
+    ITextSelection selection = (ITextSelection) getSelectionProvider().getSelection();
+    Position position = new Position(0, 0);
+    if (false /* delayed - see bug 18316 */) {
+      getNextAnnotation(selection.getOffset(), selection.getLength(), forward, position);
+      selectAndReveal(position.getOffset(), position.getLength());
+    } else /* no delay - see bug 18316 */{
+      Annotation annotation = getNextAnnotation(selection.getOffset(), selection.getLength(), forward, position);
+      setStatusLineErrorMessage(null);
+      setStatusLineMessage(null);
+      if (annotation != null) {
+        updateAnnotationViews(annotation);
+        selectAndReveal(position.getOffset(), position.getLength());
+        setStatusLineMessage(annotation.getText());
+      }
+    }
+  }
+
+  /**
+   * Returns the lock object for the given annotation model.
+   * 
+   * @param annotationModel
+   *          the annotation model
+   * @return the annotation model's lock object
+   * @since 3.0
+   */
+  private Object getLockObject(IAnnotationModel annotationModel) {
+    if (annotationModel instanceof ISynchronizable)
+      return ((ISynchronizable) annotationModel).getLockObject();
+    else
+      return annotationModel;
+  }
+
+  /**
+   * Updates the annotation views that show the given annotation.
+   * 
+   * @param annotation
+   *          the annotation
+   */
+  private void updateAnnotationViews(Annotation annotation) {
+    IMarker marker = null;
+    if (annotation instanceof MarkerAnnotation)
+      marker = ((MarkerAnnotation) annotation).getMarker();
+    else if (annotation instanceof IJavaAnnotation) {
+      Iterator e = ((IJavaAnnotation) annotation).getOverlaidIterator();
+      if (e != null) {
+        while (e.hasNext()) {
+          Object o = e.next();
+          if (o instanceof MarkerAnnotation) {
+            marker = ((MarkerAnnotation) o).getMarker();
+            break;
+          }
+        }
+      }
+    }
+
+    if (marker != null && !marker.equals(fLastMarkerTarget)) {
+      try {
+        boolean isProblem = marker.isSubtypeOf(IMarker.PROBLEM);
+        IWorkbenchPage page = getSite().getPage();
+        IViewPart view = page.findView(isProblem ? IPageLayout.ID_PROBLEM_VIEW : IPageLayout.ID_TASK_LIST); //$NON-NLS-1$  //$NON-NLS-2$
+        if (view != null) {
+          Method method = view.getClass().getMethod("setSelection", new Class[] { IStructuredSelection.class, boolean.class }); //$NON-NLS-1$
+          method.invoke(view, new Object[] { new StructuredSelection(marker), Boolean.TRUE });
+        }
+      } catch (CoreException x) {
+      } catch (NoSuchMethodException x) {
+      } catch (IllegalAccessException x) {
+      } catch (InvocationTargetException x) {
+      }
+      // ignore exceptions, don't update any of the lists, just set status line
+    }
+  }
+
+  /**
+   * Returns this document's complete text.
+   * 
+   * @return the document's complete text
+   */
+  public String get() {
+    IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
+    return doc.get();
+  }
+
+  /**
+   * Sets the outliner's context menu ID.
+   */
+  protected void setOutlinerContextMenuId(String menuId) {
+    fOutlinerContextMenuId = menuId;
+  }
+
+  /**
+   * Returns the standard action group of this editor.
+   */
+  protected ActionGroup getActionGroup() {
+    return fActionGroups;
+  }
+
+  //  public JavaOutlinePage getfOutlinePage() {
+  //    return fOutlinePage;
+  //  }
+
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method extend the actions to add those
+   * specific to the receiver
+   */
+  protected void createActions() {
+    super.createActions();
+
+    ActionGroup oeg, ovg, jsg, sg;
+    fActionGroups = new CompositeActionGroup(new ActionGroup[] { oeg = new OpenEditorActionGroup(this),
+    //         sg= new ShowActionGroup(this),
+        //             ovg= new OpenViewActionGroup(this),
+        //             jsg= new JavaSearchActionGroup(this)
+        });
+    fContextMenuGroup = new CompositeActionGroup(new ActionGroup[] { oeg });
+    //, ovg, sg, jsg});
+
+    fFoldingGroup = new FoldingActionGroup(this, getViewer());
+
+//    ResourceAction resAction = new TextOperationAction(PHPEditorMessages.getResourceBundle(),
+//        "ShowJavaDoc.", this, ISourceViewer.INFORMATION, true); //$NON-NLS-1$
+//    resAction = new InformationDispatchAction(PHPEditorMessages.getResourceBundle(),
+//        "ShowJavaDoc.", (TextOperationAction) resAction); //$NON-NLS-1$
+//    resAction.setActionDefinitionId(net.sourceforge.phpdt.ui.actions.PHPEditorActionDefinitionIds.SHOW_JAVADOC);
+//    setAction("ShowJavaDoc", resAction); //$NON-NLS-1$
+    
+    // WorkbenchHelp.setHelp(resAction,
+    // IJavaHelpContextIds.SHOW_JAVADOC_ACTION);
+
+    Action action = new GotoMatchingBracketAction(this);
+    action.setActionDefinitionId(PHPEditorActionDefinitionIds.GOTO_MATCHING_BRACKET);
+    setAction(GotoMatchingBracketAction.GOTO_MATCHING_BRACKET, action);
+
+    // action= new
+    // TextOperationAction(PHPEditorMessages.getResourceBundle(),"ShowOutline.",
+    // this, JavaSourceViewer.SHOW_OUTLINE, true); //$NON-NLS-1$
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.SHOW_OUTLINE);
+    // setAction(PHPEditorActionDefinitionIds.SHOW_OUTLINE, action);
+    //// WorkbenchHelp.setHelp(action,
+    // IJavaHelpContextIds.SHOW_OUTLINE_ACTION);
+    //
+    // action= new
+    // TextOperationAction(PHPEditorMessages.getResourceBundle(),"OpenStructure.",
+    // this, JavaSourceViewer.OPEN_STRUCTURE, true); //$NON-NLS-1$
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.SHOW_OUTLINE.OPEN_STRUCTURE);
+    // setAction(PHPEditorActionDefinitionIds.SHOW_OUTLINE.OPEN_STRUCTURE,
+    // action);
+    //// WorkbenchHelp.setHelp(action,
+    // IJavaHelpContextIds.OPEN_STRUCTURE_ACTION);
+    // 
+    // action= new
+    // TextOperationAction(PHPEditorMessages.getResourceBundle(),"OpenHierarchy.",
+    // this, JavaSourceViewer.SHOW_HIERARCHY, true); //$NON-NLS-1$
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.SHOW_OUTLINE.OPEN_HIERARCHY);
+    // setAction(PHPEditorActionDefinitionIds.SHOW_OUTLINE.OPEN_HIERARCHY,
+    // action);
+    //// WorkbenchHelp.setHelp(action,
+    // IJavaHelpContextIds.OPEN_HIERARCHY_ACTION);
+
+    fEncodingSupport = new DefaultEncodingSupport();
+    fEncodingSupport.initialize(this);
+
+    // fSelectionHistory= new SelectionHistory(this);
+    //
+    // action= new StructureSelectEnclosingAction(this, fSelectionHistory);
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.SELECT_ENCLOSING);
+    // setAction(StructureSelectionAction.ENCLOSING, action);
+    //
+    // action= new StructureSelectNextAction(this, fSelectionHistory);
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.SELECT_NEXT);
+    // setAction(StructureSelectionAction.NEXT, action);
+    //
+    // action= new StructureSelectPreviousAction(this, fSelectionHistory);
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.SELECT_PREVIOUS);
+    // setAction(StructureSelectionAction.PREVIOUS, action);
+    //
+    // StructureSelectHistoryAction historyAction= new
+    // StructureSelectHistoryAction(this, fSelectionHistory);
+    // historyAction.setActionDefinitionId(PHPEditorActionDefinitionIds.SELECT_LAST);
+    // setAction(StructureSelectionAction.HISTORY, historyAction);
+    // fSelectionHistory.setHistoryAction(historyAction);
+    //                 
+    // action= GoToNextPreviousMemberAction.newGoToNextMemberAction(this);
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.GOTO_NEXT_MEMBER);
+    // setAction(GoToNextPreviousMemberAction.NEXT_MEMBER, action);
+    //
+    // action=
+    // GoToNextPreviousMemberAction.newGoToPreviousMemberAction(this);
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.GOTO_PREVIOUS_MEMBER);
+    // setAction(GoToNextPreviousMemberAction.PREVIOUS_MEMBER, action);
+    // 
+    // action= new QuickFormatAction();
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.QUICK_FORMAT);
+    // setAction(IJavaEditorActionDefinitionIds.QUICK_FORMAT, action);
+    //
+    // action= new RemoveOccurrenceAnnotations(this);
+    // action.setActionDefinitionId(PHPEditorActionDefinitionIds.REMOVE_OCCURRENCE_ANNOTATIONS);
+    // setAction("RemoveOccurrenceAnnotations", action); //$NON-NLS-1$
+
+    // add annotation actions
+    action = new JavaSelectMarkerRulerAction2(PHPEditorMessages.getResourceBundle(), "Editor.RulerAnnotationSelection.", this); //$NON-NLS-1$
+    setAction("AnnotationAction", action); //$NON-NLS-1$
+  }
+
+  private void internalDoSetInput(IEditorInput input) throws CoreException {
+    super.doSetInput(input);
+
+    if (getSourceViewer() instanceof JavaSourceViewer) {
+      JavaSourceViewer viewer = (JavaSourceViewer) getSourceViewer();
+      if (viewer.getReconciler() == null) {
+        IReconciler reconciler = getSourceViewerConfiguration().getReconciler(viewer);
+        if (reconciler != null) {
+          reconciler.install(viewer);
+          viewer.setReconciler(reconciler);
+        }
+      }
+    }
+
+    if (fEncodingSupport != null)
+      fEncodingSupport.reset();
+
+    setOutlinePageInput(fOutlinePage, input);
+
+    if (fProjectionModelUpdater != null)
+      fProjectionModelUpdater.initialize();
+
+    //        if (isShowingOverrideIndicators())
+    //                 installOverrideIndicator(false);
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#setPreferenceStore(org.eclipse.jface.preference.IPreferenceStore)
+   * @since 3.0
+   */
+  protected void setPreferenceStore(IPreferenceStore store) {
+    super.setPreferenceStore(store);
+    if (getSourceViewerConfiguration() instanceof PHPSourceViewerConfiguration) {
+      JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+      setSourceViewerConfiguration(new PHPSourceViewerConfiguration(textTools.getColorManager(), store, this,
+          IPHPPartitions.PHP_PARTITIONING));
+    }
+    if (getSourceViewer() instanceof JavaSourceViewer)
+      ((JavaSourceViewer) getSourceViewer()).setPreferenceStore(store);
+  }
+
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method performs any extra disposal
+   * actions required by the php editor.
+   */
+  public void dispose() {
+    if (fProjectionModelUpdater != null) {
+      fProjectionModelUpdater.uninstall();
+      fProjectionModelUpdater = null;
+    }
+
+    if (fProjectionSupport != null) {
+      fProjectionSupport.dispose();
+      fProjectionSupport = null;
+    }
+    //   PHPEditorEnvironment.disconnect(this);
+    if (fOutlinePage != null)
+      fOutlinePage.setInput(null);
+
+    if (fActionGroups != null)
+      fActionGroups.dispose();
+
+    if (isBrowserLikeLinks())
+      disableBrowserLikeLinks();
+
+    if (fEncodingSupport != null) {
+      fEncodingSupport.dispose();
+      fEncodingSupport = null;
+    }
+
+    if (fPropertyChangeListener != null) {
+      Preferences preferences = PHPeclipsePlugin.getDefault().getPluginPreferences();
+      preferences.removePropertyChangeListener(fPropertyChangeListener);
+      fPropertyChangeListener = null;
+    }
+
+    //    if (fSourceViewerDecorationSupport != null) {
+    //      fSourceViewerDecorationSupport.dispose();
+    //      fSourceViewerDecorationSupport = null;
+    //    }
+
+    if (fBracketMatcher != null) {
+      fBracketMatcher.dispose();
+      fBracketMatcher = null;
+    }
+
+    if (fEditorSelectionChangedListener != null) {
+      fEditorSelectionChangedListener.uninstall(getSelectionProvider());
+      fEditorSelectionChangedListener = null;
+    }
+
+    super.dispose();
+  }
+
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method performs any extra revert behavior
+   * required by the php editor.
+   */
+  //  public void doRevertToSaved() {
+  //    super.doRevertToSaved();
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.update();
+  //  }
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method performs any extra save behavior
+   * required by the php editor.
+   */
+  //  public void doSave(IProgressMonitor monitor) {
+  //    super.doSave(monitor);
+  // compile or not, according to the user preferences
+  // IPreferenceStore store = getPreferenceStore();
+  // the parse on save was changed to the eclipse "builders" concept
+  //    if (store.getBoolean(PHPeclipsePlugin.PHP_PARSE_ON_SAVE)) {
+  //      IAction a = PHPParserAction.getInstance();
+  //      if (a != null)
+  //        a.run();
+  //    }
+  //    if (SWT.getPlatform().equals("win32")) {
+  //      IAction a = ShowExternalPreviewAction.getInstance();
+  //      if (a != null)
+  //        a.run();
+  //    }
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.update();
+  //  }
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method performs any extra save as
+   * behavior required by the php editor.
+   */
+  //  public void doSaveAs() {
+  //    super.doSaveAs();
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.update();
+  //  }
+  /*
+   * @see StatusTextEditor#getStatusHeader(IStatus)
+   */
+  protected String getStatusHeader(IStatus status) {
+    if (fEncodingSupport != null) {
+      String message = fEncodingSupport.getStatusHeader(status);
+      if (message != null)
+        return message;
+    }
+    return super.getStatusHeader(status);
+  }
+
+  /*
+   * @see StatusTextEditor#getStatusBanner(IStatus)
+   */
+  protected String getStatusBanner(IStatus status) {
+    if (fEncodingSupport != null) {
+      String message = fEncodingSupport.getStatusBanner(status);
+      if (message != null)
+        return message;
+    }
+    return super.getStatusBanner(status);
+  }
+
+  /*
+   * @see StatusTextEditor#getStatusMessage(IStatus)
+   */
+  protected String getStatusMessage(IStatus status) {
+    if (fEncodingSupport != null) {
+      String message = fEncodingSupport.getStatusMessage(status);
+      if (message != null)
+        return message;
+    }
+    return super.getStatusMessage(status);
+  }
+
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method performs sets the input of the
+   * outline page after AbstractTextEditor has set input.
+   */
+  //  protected void doSetInput(IEditorInput input) throws CoreException {
+  //    super.doSetInput(input);
+  //    if (fEncodingSupport != null)
+  //      fEncodingSupport.reset();
+  //    setOutlinePageInput(fOutlinePage, input);
+  //  }
+  /*
+   * @see AbstractTextEditor#doSetInput
+   */
+  protected void doSetInput(IEditorInput input) throws CoreException {
+    ISourceViewer sourceViewer = getSourceViewer();
+    if (!(sourceViewer instanceof ISourceViewerExtension2)) {
+      setPreferenceStore(createCombinedPreferenceStore(input));
+      internalDoSetInput(input);
+      return;
+    }
+
+    // uninstall & unregister preference store listener
+    if (isBrowserLikeLinks())
+      disableBrowserLikeLinks();
+    getSourceViewerDecorationSupport(sourceViewer).uninstall();
+    ((ISourceViewerExtension2) sourceViewer).unconfigure();
+
+    setPreferenceStore(createCombinedPreferenceStore(input));
+
+    // install & register preference store listener
+    sourceViewer.configure(getSourceViewerConfiguration());
+    getSourceViewerDecorationSupport(sourceViewer).install(getPreferenceStore());
+    if (isBrowserLikeLinks())
+      enableBrowserLikeLinks();
+
+    internalDoSetInput(input);
+  }
+
+  /*
+   * @see org.phpeclipse.phpdt.internal.ui.viewsupport.IViewPartInputProvider#getViewPartInput()
+   */
+  //  public Object getViewPartInput() {
+  //    return getEditorInput().getAdapter(IFile.class);
+  //  }
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method adds any PHPEditor specific
+   * entries.
+   */
+  public void editorContextMenuAboutToShow(MenuManager menu) {
+    super.editorContextMenuAboutToShow(menu);
+    menu.appendToGroup(ITextEditorActionConstants.GROUP_UNDO, new Separator(IContextMenuConstants.GROUP_OPEN));
+    menu.insertAfter(IContextMenuConstants.GROUP_OPEN, new GroupMarker(IContextMenuConstants.GROUP_SHOW));
+
+    ActionContext context = new ActionContext(getSelectionProvider().getSelection());
+    fContextMenuGroup.setContext(context);
+    fContextMenuGroup.fillContextMenu(menu);
+    fContextMenuGroup.setContext(null);
+    //    addAction(menu, ITextEditorActionConstants.GROUP_EDIT, "Format");
+    // //$NON-NLS-1$
+    //
+    //    ActionContext context =
+    //      new ActionContext(getSelectionProvider().getSelection());
+    //    fContextMenuGroup.setContext(context);
+    //    fContextMenuGroup.fillContextMenu(menu);
+    //    fContextMenuGroup.setContext(null);
+  }
+
+  /**
+   * Creates the outline page used with this editor.
+   */
+  protected JavaOutlinePage createOutlinePage() {
+    JavaOutlinePage page = new JavaOutlinePage(fOutlinerContextMenuId, this);
+    fOutlineSelectionChangedListener.install(page);
+    setOutlinePageInput(page, getEditorInput());
+    return page;
+  }
+
+  /**
+   * Informs the editor that its outliner has been closed.
+   */
+  public void outlinePageClosed() {
+    if (fOutlinePage != null) {
+      fOutlineSelectionChangedListener.uninstall(fOutlinePage);
+      fOutlinePage = null;
+      resetHighlightRange();
+    }
+  }
+
+  /**
+   * Synchronizes the outliner selection with the given element position in the editor.
+   * 
+   * @param element
+   *          the java element to select
+   */
+  protected void synchronizeOutlinePage(ISourceReference element) {
+    synchronizeOutlinePage(element, true);
+  }
+
+  /**
+   * Synchronizes the outliner selection with the given element position in the editor.
+   * 
+   * @param element
+   *          the java element to select
+   * @param checkIfOutlinePageActive
+   *          <code>true</code> if check for active outline page needs to be done
+   */
+  protected void synchronizeOutlinePage(ISourceReference element, boolean checkIfOutlinePageActive) {
+    if (fOutlinePage != null && element != null && !(checkIfOutlinePageActive && isJavaOutlinePageActive())) {
+      fOutlineSelectionChangedListener.uninstall(fOutlinePage);
+      fOutlinePage.select(element);
+      fOutlineSelectionChangedListener.install(fOutlinePage);
+    }
+  }
+
+  /**
+   * Synchronizes the outliner selection with the actual cursor position in the editor.
+   */
+  public void synchronizeOutlinePageSelection() {
+    synchronizeOutlinePage(computeHighlightRangeSourceReference());
+
+    //    ISourceViewer sourceViewer = getSourceViewer();
+    //    if (sourceViewer == null || fOutlinePage == null)
+    //      return;
+    //
+    //    StyledText styledText = sourceViewer.getTextWidget();
+    //    if (styledText == null)
+    //      return;
+    //
+    //    int caret = 0;
+    //    if (sourceViewer instanceof ITextViewerExtension3) {
+    //      ITextViewerExtension3 extension = (ITextViewerExtension3)
+    // sourceViewer;
+    //      caret =
+    // extension.widgetOffset2ModelOffset(styledText.getCaretOffset());
+    //    } else {
+    //      int offset = sourceViewer.getVisibleRegion().getOffset();
+    //      caret = offset + styledText.getCaretOffset();
+    //    }
+    //
+    //    IJavaElement element = getElementAt(caret);
+    //    if (element instanceof ISourceReference) {
+    //      fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
+    //      fOutlinePage.select((ISourceReference) element);
+    //      fOutlinePage.addSelectionChangedListener(fSelectionChangedListener);
+    //    }
+  }
+
+  protected void setSelection(ISourceReference reference, boolean moveCursor) {
+
+    ISelection selection = getSelectionProvider().getSelection();
+    if (selection instanceof TextSelection) {
+      TextSelection textSelection = (TextSelection) selection;
+      if (textSelection.getOffset() != 0 || textSelection.getLength() != 0)
+        markInNavigationHistory();
+    }
+
+    if (reference != null) {
+
+      StyledText textWidget = null;
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer != null)
+        textWidget = sourceViewer.getTextWidget();
+
+      if (textWidget == null)
+        return;
+
+      try {
+
+        ISourceRange range = reference.getSourceRange();
+        if (range == null)
+          return;
+
+        int offset = range.getOffset();
+        int length = range.getLength();
+
+        if (offset < 0 || length < 0)
+          return;
+
+        textWidget.setRedraw(false);
+
+        setHighlightRange(offset, length, moveCursor);
+
+        if (!moveCursor)
+          return;
+
+        offset = -1;
+        length = -1;
+
+        if (reference instanceof IMember) {
+          range = ((IMember) reference).getNameRange();
+          if (range != null) {
+            offset = range.getOffset();
+            length = range.getLength();
+          }
+        }
+        //                                     else if (reference instanceof IImportDeclaration) {
+        //                                             String name= ((IImportDeclaration)
+        // reference).getElementName();
+        //                                             if (name != null && name.length() > 0) {
+        //                                                     String content= reference.getSource();
+        //                                                     if (content != null) {
+        //                                                             offset= range.getOffset() + content.indexOf(name);
+        //                                                             length= name.length();
+        //                                                     }
+        //                                             }
+        //                                     } else if (reference instanceof IPackageDeclaration) {
+        //                                             String name= ((IPackageDeclaration)
+        // reference).getElementName();
+        //                                             if (name != null && name.length() > 0) {
+        //                                                     String content= reference.getSource();
+        //                                                     if (content != null) {
+        //                                                             offset= range.getOffset() + content.indexOf(name);
+        //                                                             length= name.length();
+        //                                                     }
+        //                                             }
+        //                                     }
+
+        if (offset > -1 && length > 0) {
+          sourceViewer.revealRange(offset, length);
+          sourceViewer.setSelectedRange(offset, length);
+        }
+
+      } catch (JavaModelException x) {
+      } catch (IllegalArgumentException x) {
+      } finally {
+        if (textWidget != null)
+          textWidget.setRedraw(true);
+      }
+
+    } else if (moveCursor) {
+      resetHighlightRange();
+    }
+
+    markInNavigationHistory();
+  }
+
+  public void setSelection(IJavaElement element) {
+    if (element == null || element instanceof ICompilationUnit) { // ||
+      // element
+      // instanceof
+      // IClassFile)
+      // {
+      /*
+       * If the element is an ICompilationUnit this unit is either the input of this editor or not being displayed. In both cases,
+       * nothing should happened. (http://dev.eclipse.org/bugs/show_bug.cgi?id=5128)
+       */
+      return;
+    }
+
+    IJavaElement corresponding = getCorrespondingElement(element);
+    if (corresponding instanceof ISourceReference) {
+      ISourceReference reference = (ISourceReference) corresponding;
+      // set highlight range
+      setSelection(reference, true);
+      // set outliner selection
+      if (fOutlinePage != null) {
+        fOutlineSelectionChangedListener.uninstall(fOutlinePage);
+        fOutlinePage.select(reference);
+        fOutlineSelectionChangedListener.install(fOutlinePage);
+      }
+    }
+  }
+
+  public synchronized void editingScriptStarted() {
+    ++fIgnoreOutlinePageSelection;
+  }
+
+  public synchronized void editingScriptEnded() {
+    --fIgnoreOutlinePageSelection;
+  }
+
+  public synchronized boolean isEditingScriptRunning() {
+    return (fIgnoreOutlinePageSelection > 0);
+  }
+
+  /**
+   * The <code>PHPEditor</code> implementation of this <code>AbstractTextEditor</code> method performs gets the java content
+   * outline page if request is for a an outline page.
+   */
+  public Object getAdapter(Class required) {
+
+    if (IContentOutlinePage.class.equals(required)) {
+      if (fOutlinePage == null)
+        fOutlinePage = createOutlinePage();
+      return fOutlinePage;
+    }
+
+    if (IEncodingSupport.class.equals(required))
+      return fEncodingSupport;
+
+    if (required == IShowInTargetList.class) {
+      return new IShowInTargetList() {
+        public String[] getShowInTargetIds() {
+          return new String[] { JavaUI.ID_PACKAGES, IPageLayout.ID_OUTLINE, IPageLayout.ID_RES_NAV };
+        }
+
+      };
+    }
+    if (fProjectionSupport != null) {
+      Object adapter = fProjectionSupport.getAdapter(getSourceViewer(), required);
+      if (adapter != null)
+        return adapter;
+    }
+
+    return super.getAdapter(required);
+  }
+
+  //  public Object getAdapter(Class required) {
+  //    if (IContentOutlinePage.class.equals(required)) {
+  //      if (fOutlinePage == null) {
+  //        fOutlinePage = new PHPContentOutlinePage(getDocumentProvider(), this);
+  //        if (getEditorInput() != null)
+  //          fOutlinePage.setInput(getEditorInput());
+  //      }
+  //      return fOutlinePage;
+  //    }
+  //
+  //    if (IEncodingSupport.class.equals(required))
+  //      return fEncodingSupport;
+  //
+  //    return super.getAdapter(required);
+  //  }
+
+  protected void doSelectionChanged(SelectionChangedEvent event) {
+    ISourceReference reference = null;
+
+    ISelection selection = event.getSelection();
+    Iterator iter = ((IStructuredSelection) selection).iterator();
+    while (iter.hasNext()) {
+      Object o = iter.next();
+      if (o instanceof ISourceReference) {
+        reference = (ISourceReference) o;
+        break;
+      }
+    }
+
+    if (!isActivePart() && PHPeclipsePlugin.getActivePage() != null)
+      PHPeclipsePlugin.getActivePage().bringToTop(this);
+
+    try {
+      editingScriptStarted();
+      setSelection(reference, !isActivePart());
+    } finally {
+      editingScriptEnded();
+    }
+  }
+
+  /*
+   * @see AbstractTextEditor#adjustHighlightRange(int, int)
+   */
+  protected void adjustHighlightRange(int offset, int length) {
+
+    try {
+
+      IJavaElement element = getElementAt(offset);
+      while (element instanceof ISourceReference) {
+        ISourceRange range = ((ISourceReference) element).getSourceRange();
+        if (offset < range.getOffset() + range.getLength() && range.getOffset() < offset + length) {
+
+          ISourceViewer viewer = getSourceViewer();
+          if (viewer instanceof ITextViewerExtension5) {
+            ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
+            extension.exposeModelRange(new Region(range.getOffset(), range.getLength()));
+          }
+
+          setHighlightRange(range.getOffset(), range.getLength(), true);
+          if (fOutlinePage != null) {
+            fOutlineSelectionChangedListener.uninstall(fOutlinePage);
+            fOutlinePage.select((ISourceReference) element);
+            fOutlineSelectionChangedListener.install(fOutlinePage);
+          }
+
+          return;
+        }
+        element = element.getParent();
+      }
+
+    } catch (JavaModelException x) {
+      PHPeclipsePlugin.log(x.getStatus());
+    }
+
+    ISourceViewer viewer = getSourceViewer();
+    if (viewer instanceof ITextViewerExtension5) {
+      ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
+      extension.exposeModelRange(new Region(offset, length));
+    } else {
+      resetHighlightRange();
+    }
+
+  }
+
+  protected boolean isActivePart() {
+    IWorkbenchWindow window = getSite().getWorkbenchWindow();
+    IPartService service = window.getPartService();
+    IWorkbenchPart part = service.getActivePart();
+    return part != null && part.equals(this);
+  }
+
+  //  public void openContextHelp() {
+  //    IDocument doc =
+  // this.getDocumentProvider().getDocument(this.getEditorInput());
+  //    ITextSelection selection = (ITextSelection)
+  // this.getSelectionProvider().getSelection();
+  //    int pos = selection.getOffset();
+  //    String word = getFunctionName(doc, pos);
+  //    openContextHelp(word);
+  //  }
+  //
+  //  private void openContextHelp(String word) {
+  //    open(word);
+  //  }
+  //
+  //  public static void open(String word) {
+  //    IHelp help = WorkbenchHelp.getHelpSupport();
+  //    if (help != null) {
+  //      IHelpResource helpResource = new PHPFunctionHelpResource(word);
+  //      WorkbenchHelp.getHelpSupport().displayHelpResource(helpResource);
+  //    } else {
+  //      // showMessage(shell, dialogTitle, ActionMessages.getString("Open help
+  // not available"), false); //$NON-NLS-1$
+  //    }
+  //  }
+
+  //   private String getFunctionName(IDocument doc, int pos) {
+  //           Point word = PHPWordExtractor.findWord(doc, pos);
+  //           if (word != null) {
+  //                   try {
+  //                           return doc.get(word.x, word.y).replace('_', '-');
+  //                   } catch (BadLocationException e) {
+  //                   }
+  //           }
+  //           return "";
+  //   }
+
+  /*
+   * @see AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent)
+   */
+  protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
+
+    try {
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer == null)
+        return;
+
+      String property = event.getProperty();
+
+      if (PreferenceConstants.EDITOR_TAB_WIDTH.equals(property)) {
+        Object value = event.getNewValue();
+        if (value instanceof Integer) {
+          sourceViewer.getTextWidget().setTabs(((Integer) value).intValue());
+        } else if (value instanceof String) {
+          try {
+            sourceViewer.getTextWidget().setTabs(Integer.parseInt((String) value));
+          } catch (NumberFormatException e) {
+            // bug #1038071 - set default tab:
+            sourceViewer.getTextWidget().setTabs(80);
+          }
+        }
+        return;
+      }
+
+      //      if (OVERVIEW_RULER.equals(property)) {
+      //        if (isOverviewRulerVisible())
+      //          showOverviewRuler();
+      //        else
+      //          hideOverviewRuler();
+      //        return;
+      //      }
+
+      //      if (LINE_NUMBER_RULER.equals(property)) {
+      //        if (isLineNumberRulerVisible())
+      //          showLineNumberRuler();
+      //        else
+      //          hideLineNumberRuler();
+      //        return;
+      //      }
+
+      //      if (fLineNumberRulerColumn != null
+      //        && (LINE_NUMBER_COLOR.equals(property) ||
+      // PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT.equals(property) ||
+      // PREFERENCE_COLOR_BACKGROUND.equals(property))) {
+      //
+      //        initializeLineNumberRulerColumn(fLineNumberRulerColumn);
+      //      }
+
+      if (isJavaEditorHoverProperty(property))
+        updateHoverBehavior();
+
+      if (BROWSER_LIKE_LINKS.equals(property)) {
+        if (isBrowserLikeLinks())
+          enableBrowserLikeLinks();
+        else
+          disableBrowserLikeLinks();
+        return;
+      }
+
+      if (PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE.equals(property)) {
+        if ((event.getNewValue() instanceof Boolean) && ((Boolean) event.getNewValue()).booleanValue())
+          selectionChanged();
+        return;
+      }
+
+      if (PreferenceConstants.EDITOR_DISABLE_OVERWRITE_MODE.equals(property)) {
+        if (event.getNewValue() instanceof Boolean) {
+          Boolean disable = (Boolean) event.getNewValue();
+          enableOverwriteMode(!disable.booleanValue());
+        }
+        return;
+      }
+
+      //       if (PreferenceConstants.EDITOR_MARK_OCCURRENCES.equals(property))
+      // {
+      //               if (event.getNewValue() instanceof Boolean) {
+      //                       boolean markOccurrenceAnnotations=
+      // ((Boolean)event.getNewValue()).booleanValue();
+      //                       if (markOccurrenceAnnotations != fMarkOccurrenceAnnotations) {
+      //                               fMarkOccurrenceAnnotations= markOccurrenceAnnotations;
+      //                               if (!fMarkOccurrenceAnnotations)
+      //                                       uninstallOccurrencesFinder();
+      //                               else
+      //                                       installOccurrencesFinder();
+      //                       }
+      //               }
+      //       }
+      //       if
+      // (PreferenceConstants.EDITOR_STICKY_OCCURRENCES.equals(property))
+      // {
+      //               if (event.getNewValue() instanceof Boolean) {
+      //                       boolean stickyOccurrenceAnnotations=
+      // ((Boolean)event.getNewValue()).booleanValue();
+      //                       if (stickyOccurrenceAnnotations != fStickyOccurrenceAnnotations)
+      // {
+      //                               fStickyOccurrenceAnnotations= stickyOccurrenceAnnotations;
+      //// if (!fMarkOccurrenceAnnotations)
+      //// uninstallOccurrencesFinder();
+      //// else
+      //// installOccurrencesFinder();
+      //                       }
+      //               }
+      //       }
+
+      ((PHPSourceViewerConfiguration) getSourceViewerConfiguration()).handlePropertyChangeEvent(event);
+
+      //               if (affectsOverrideIndicatorAnnotations(event)) {
+      //                       if (isShowingOverrideIndicators()) {
+      //                               if (fOverrideIndicatorManager == null)
+      //                                       installOverrideIndicator(true);
+      //                       } else {
+      //                               if (fOverrideIndicatorManager != null)
+      //                                       uninstallOverrideIndicator();
+      //                       }
+      //                       return;
+      //               }
+
+      if (PreferenceConstants.EDITOR_FOLDING_PROVIDER.equals(property)) {
+        if (sourceViewer instanceof ProjectionViewer) {
+          ProjectionViewer projectionViewer = (ProjectionViewer) sourceViewer;
+          if (fProjectionModelUpdater != null)
+            fProjectionModelUpdater.uninstall();
+          // either freshly enabled or provider changed
+          fProjectionModelUpdater = PHPeclipsePlugin.getDefault().getFoldingStructureProviderRegistry().getCurrentFoldingProvider();
+          if (fProjectionModelUpdater != null) {
+            fProjectionModelUpdater.install(this, projectionViewer);
+          }
+        }
+        return;
+      }
+    } finally {
+      super.handlePreferenceStoreChanged(event);
+    }
+  }
+
+  //  /*
+  //     * @see
+  // AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent)
+  //     */
+  //  protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
+  //
+  //    try {
+  //
+  //      ISourceViewer sourceViewer = getSourceViewer();
+  //      if (sourceViewer == null)
+  //        return;
+  //
+  //      String property = event.getProperty();
+  //
+  //      // if
+  // (JavaSourceViewerConfiguration.PREFERENCE_TAB_WIDTH.equals(property)) {
+  //      // Object value= event.getNewValue();
+  //      // if (value instanceof Integer) {
+  //      // sourceViewer.getTextWidget().setTabs(((Integer) value).intValue());
+  //      // } else if (value instanceof String) {
+  //      // sourceViewer.getTextWidget().setTabs(Integer.parseInt((String)
+  // value));
+  //      // }
+  //      // return;
+  //      // }
+  //
+  //      if (IPreferenceConstants.LINE_NUMBER_RULER.equals(property)) {
+  //        if (isLineNumberRulerVisible())
+  //          showLineNumberRuler();
+  //        else
+  //          hideLineNumberRuler();
+  //        return;
+  //      }
+  //
+  //      if (fLineNumberRulerColumn != null
+  //        && (IPreferenceConstants.LINE_NUMBER_COLOR.equals(property)
+  //          || PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT.equals(property)
+  //          || PREFERENCE_COLOR_BACKGROUND.equals(property))) {
+  //
+  //        initializeLineNumberRulerColumn(fLineNumberRulerColumn);
+  //      }
+  //
+  //    } finally {
+  //      super.handlePreferenceStoreChanged(event);
+  //    }
+  //  }
+
+  //  private boolean isJavaEditorHoverProperty(String property) {
+  //    return PreferenceConstants.EDITOR_DEFAULT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_NONE_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_SHIFT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_ALT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_SHIFT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_ALT_SHIFT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_ALT_SHIFT_HOVER.equals(property);
+  //  }
+
+  /**
+   * Shows the line number ruler column.
+   */
+  //  private void showLineNumberRuler() {
+  //    IVerticalRuler v = getVerticalRuler();
+  //    if (v instanceof CompositeRuler) {
+  //      CompositeRuler c = (CompositeRuler) v;
+  //      c.addDecorator(1, createLineNumberRulerColumn());
+  //    }
+  //  }
+  private boolean isJavaEditorHoverProperty(String property) {
+    return PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS.equals(property);
+  }
+
+  /**
+   * Return whether the browser like links should be enabled according to the preference store settings.
+   * 
+   * @return <code>true</code> if the browser like links should be enabled
+   */
+  private boolean isBrowserLikeLinks() {
+    IPreferenceStore store = getPreferenceStore();
+    return store.getBoolean(BROWSER_LIKE_LINKS);
+  }
+
+  /**
+   * Enables browser like links.
+   */
+  private void enableBrowserLikeLinks() {
+    if (fMouseListener == null) {
+      fMouseListener = new MouseClickListener();
+      fMouseListener.install();
+    }
+  }
+
+  /**
+   * Disables browser like links.
+   */
+  private void disableBrowserLikeLinks() {
+    if (fMouseListener != null) {
+      fMouseListener.uninstall();
+      fMouseListener = null;
+    }
+  }
+
+  /**
+   * Handles a property change event describing a change of the java core's preferences and updates the preference related editor
+   * properties.
+   * 
+   * @param event
+   *          the property change event
+   */
+  protected void handlePreferencePropertyChanged(org.eclipse.core.runtime.Preferences.PropertyChangeEvent event) {
+    if (COMPILER_TASK_TAGS.equals(event.getProperty())) {
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer != null
+          && affectsTextPresentation(new PropertyChangeEvent(event.getSource(), event.getProperty(), event.getOldValue(), event
+              .getNewValue())))
+        sourceViewer.invalidateTextPresentation();
+    }
+    if (PreferenceConstants.EDITOR_WRAP_WORDS.equals(event.getProperty())) {
+      setWordWrap();
+    }
+  }
+
+  /**
+   * Return whether the line number ruler column should be visible according to the preference store settings.
+   * 
+   * @return <code>true</code> if the line numbers should be visible
+   */
+  //  protected boolean isLineNumberRulerVisible() {
+  //    IPreferenceStore store = getPreferenceStore();
+  //    return store.getBoolean(LINE_NUMBER_RULER);
+  //  }
+  /**
+   * Hides the line number ruler column.
+   */
+  //  private void hideLineNumberRuler() {
+  //    IVerticalRuler v = getVerticalRuler();
+  //    if (v instanceof CompositeRuler) {
+  //      CompositeRuler c = (CompositeRuler) v;
+  //      try {
+  //        c.removeDecorator(1);
+  //      } catch (Throwable e) {
+  //      }
+  //    }
+  //  }
+  /*
+   * @see AbstractTextEditor#handleCursorPositionChanged()
+   */
+  //  protected void handleCursorPositionChanged() {
+  //    super.handleCursorPositionChanged();
+  //    if (!isEditingScriptRunning() && fUpdater != null)
+  //      fUpdater.post();
+  //  }
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#handleElementContentReplaced()
+   */
+  protected void handleElementContentReplaced() {
+    super.handleElementContentReplaced();
+    if (fProjectionModelUpdater != null)
+      fProjectionModelUpdater.initialize();
+  }
+
+  /**
+   * Initializes the given line number ruler column from the preference store.
+   * 
+   * @param rulerColumn
+   *          the ruler column to be initialized
+   */
+  //  protected void initializeLineNumberRulerColumn(LineNumberRulerColumn
+  // rulerColumn) {
+  //    JavaTextTools textTools =
+  // PHPeclipsePlugin.getDefault().getJavaTextTools();
+  //    IColorManager manager = textTools.getColorManager();
+  //
+  //    IPreferenceStore store = getPreferenceStore();
+  //    if (store != null) {
+  //
+  //      RGB rgb = null;
+  //      // foreground color
+  //      if (store.contains(LINE_NUMBER_COLOR)) {
+  //        if (store.isDefault(LINE_NUMBER_COLOR))
+  //          rgb = PreferenceConverter.getDefaultColor(store, LINE_NUMBER_COLOR);
+  //        else
+  //          rgb = PreferenceConverter.getColor(store, LINE_NUMBER_COLOR);
+  //      }
+  //      rulerColumn.setForeground(manager.getColor(rgb));
+  //
+  //      rgb = null;
+  //      // background color
+  //      if (!store.getBoolean(PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) {
+  //        if (store.contains(PREFERENCE_COLOR_BACKGROUND)) {
+  //          if (store.isDefault(PREFERENCE_COLOR_BACKGROUND))
+  //            rgb = PreferenceConverter.getDefaultColor(store,
+  // PREFERENCE_COLOR_BACKGROUND);
+  //          else
+  //            rgb = PreferenceConverter.getColor(store, PREFERENCE_COLOR_BACKGROUND);
+  //        }
+  //      }
+  //      rulerColumn.setBackground(manager.getColor(rgb));
+  //    }
+  //  }
+  /**
+   * Creates a new line number ruler column that is appropriately initialized.
+   */
+  //  protected IVerticalRulerColumn createLineNumberRulerColumn() {
+  //    fLineNumberRulerColumn = new LineNumberRulerColumn();
+  //    initializeLineNumberRulerColumn(fLineNumberRulerColumn);
+  //    return fLineNumberRulerColumn;
+  //  }
+  /*
+   * @see AbstractTextEditor#createVerticalRuler()
+   */
+  //  protected IVerticalRuler createVerticalRuler() {
+  //    CompositeRuler ruler = new CompositeRuler();
+  //    ruler.addDecorator(0, new AnnotationRulerColumn(VERTICAL_RULER_WIDTH));
+  //    if (isLineNumberRulerVisible())
+  //      ruler.addDecorator(1, createLineNumberRulerColumn());
+  //    return ruler;
+  //  }
+  //  private static IRegion getSignedSelection(ITextViewer viewer) {
+  //
+  //    StyledText text = viewer.getTextWidget();
+  //    int caretOffset = text.getCaretOffset();
+  //    Point selection = text.getSelection();
+  //
+  //    // caret left
+  //    int offset, length;
+  //    if (caretOffset == selection.x) {
+  //      offset = selection.y;
+  //      length = selection.x - selection.y;
+  //
+  //      // caret right
+  //    } else {
+  //      offset = selection.x;
+  //      length = selection.y - selection.x;
+  //    }
+  //
+  //    return new Region(offset, length);
+  //  }
+  protected IRegion getSignedSelection(ISourceViewer sourceViewer) {
+    StyledText text = sourceViewer.getTextWidget();
+    Point selection = text.getSelectionRange();
+
+    if (text.getCaretOffset() == selection.x) {
+      selection.x = selection.x + selection.y;
+      selection.y = -selection.y;
+    }
+
+    selection.x = widgetOffset2ModelOffset(sourceViewer, selection.x);
+
+    return new Region(selection.x, selection.y);
+  }
+
+  /** Preference key for matching brackets */
+  protected final static String MATCHING_BRACKETS = PreferenceConstants.EDITOR_MATCHING_BRACKETS;
+
+  /** Preference key for matching brackets color */
+  protected final static String MATCHING_BRACKETS_COLOR = PreferenceConstants.EDITOR_MATCHING_BRACKETS_COLOR;
+
+  /** Preference key for highlighting current line */
+  //  protected final static String CURRENT_LINE = PreferenceConstants.EDITOR_CURRENT_LINE;
+  /** Preference key for highlight color of current line */
+  //  protected final static String CURRENT_LINE_COLOR = PreferenceConstants.EDITOR_CURRENT_LINE_COLOR;
+  /** Preference key for showing print marging ruler */
+  //  protected final static String PRINT_MARGIN = PreferenceConstants.EDITOR_PRINT_MARGIN;
+  /** Preference key for print margin ruler color */
+  //  protected final static String PRINT_MARGIN_COLOR = PreferenceConstants.EDITOR_PRINT_MARGIN_COLOR;
+  /** Preference key for print margin ruler column */
+  //  protected final static String PRINT_MARGIN_COLUMN = PreferenceConstants.EDITOR_PRINT_MARGIN_COLUMN;
+  /** Preference key for error indication */
+  //  protected final static String ERROR_INDICATION =
+  // PreferenceConstants.EDITOR_PROBLEM_INDICATION;
+  /** Preference key for error color */
+  //  protected final static String ERROR_INDICATION_COLOR =
+  // PreferenceConstants.EDITOR_PROBLEM_INDICATION_COLOR;
+  /** Preference key for warning indication */
+  //  protected final static String WARNING_INDICATION =
+  // PreferenceConstants.EDITOR_WARNING_INDICATION;
+  /** Preference key for warning color */
+  //  protected final static String WARNING_INDICATION_COLOR =
+  // PreferenceConstants.EDITOR_WARNING_INDICATION_COLOR;
+  /** Preference key for task indication */
+  protected final static String TASK_INDICATION = PreferenceConstants.EDITOR_TASK_INDICATION;
+
+  /** Preference key for task color */
+  protected final static String TASK_INDICATION_COLOR = PreferenceConstants.EDITOR_TASK_INDICATION_COLOR;
+
+  /** Preference key for bookmark indication */
+  protected final static String BOOKMARK_INDICATION = PreferenceConstants.EDITOR_BOOKMARK_INDICATION;
+
+  /** Preference key for bookmark color */
+  protected final static String BOOKMARK_INDICATION_COLOR = PreferenceConstants.EDITOR_BOOKMARK_INDICATION_COLOR;
+
+  /** Preference key for search result indication */
+  protected final static String SEARCH_RESULT_INDICATION = PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION;
+
+  /** Preference key for search result color */
+  protected final static String SEARCH_RESULT_INDICATION_COLOR = PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION_COLOR;
+
+  /** Preference key for unknown annotation indication */
+  protected final static String UNKNOWN_INDICATION = PreferenceConstants.EDITOR_UNKNOWN_INDICATION;
+
+  /** Preference key for unknown annotation color */
+  protected final static String UNKNOWN_INDICATION_COLOR = PreferenceConstants.EDITOR_UNKNOWN_INDICATION_COLOR;
+
+  /** Preference key for shwoing the overview ruler */
+  protected final static String OVERVIEW_RULER = PreferenceConstants.EDITOR_OVERVIEW_RULER;
+
+  /** Preference key for error indication in overview ruler */
+  protected final static String ERROR_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_ERROR_INDICATION_IN_OVERVIEW_RULER;
+
+  /** Preference key for warning indication in overview ruler */
+  protected final static String WARNING_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_WARNING_INDICATION_IN_OVERVIEW_RULER;
+
+  /** Preference key for task indication in overview ruler */
+  protected final static String TASK_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_TASK_INDICATION_IN_OVERVIEW_RULER;
+
+  /** Preference key for bookmark indication in overview ruler */
+  protected final static String BOOKMARK_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_BOOKMARK_INDICATION_IN_OVERVIEW_RULER;
+
+  /** Preference key for search result indication in overview ruler */
+  protected final static String SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER;
+
+  /** Preference key for unknown annotation indication in overview ruler */
+  protected final static String UNKNOWN_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_UNKNOWN_INDICATION_IN_OVERVIEW_RULER;
+
+  //           /** Preference key for compiler task tags */
+  //           private final static String COMPILER_TASK_TAGS=
+  // JavaCore.COMPILER_TASK_TAGS;
+  /** Preference key for browser like links */
+  private final static String BROWSER_LIKE_LINKS = PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS;
+
+  /** Preference key for key modifier of browser like links */
+  private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER = PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER;
+
+  /**
+   * Preference key for key modifier mask of browser like links. The value is only used if the value of
+   * <code>EDITOR_BROWSER_LIKE_LINKS</code> cannot be resolved to valid SWT modifier bits.
+   * 
+   * @since 2.1.1
+   */
+  private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK = PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK;
+
+  private final static char[] BRACKETS = { '{', '}', '(', ')', '[', ']' };
+
+  private static boolean isBracket(char character) {
+    for (int i = 0; i != BRACKETS.length; ++i)
+      if (character == BRACKETS[i])
+        return true;
+    return false;
+  }
+
+  private static boolean isSurroundedByBrackets(IDocument document, int offset) {
+    if (offset == 0 || offset == document.getLength())
+      return false;
+
+    try {
+      return isBracket(document.getChar(offset - 1)) && isBracket(document.getChar(offset));
+
+    } catch (BadLocationException e) {
+      return false;
+    }
+  }
+
+  //  protected void configureSourceViewerDecorationSupport() {
+  //
+  //    fSourceViewerDecorationSupport.setCharacterPairMatcher(fBracketMatcher);
+  //
+  //    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+  //      AnnotationType.UNKNOWN,
+  //      UNKNOWN_INDICATION_COLOR,
+  //      UNKNOWN_INDICATION,
+  //      UNKNOWN_INDICATION_IN_OVERVIEW_RULER,
+  //      0);
+  //    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+  //      AnnotationType.BOOKMARK,
+  //      BOOKMARK_INDICATION_COLOR,
+  //      BOOKMARK_INDICATION,
+  //      BOOKMARK_INDICATION_IN_OVERVIEW_RULER,
+  //      1);
+  //    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+  //      AnnotationType.TASK,
+  //      TASK_INDICATION_COLOR,
+  //      TASK_INDICATION,
+  //      TASK_INDICATION_IN_OVERVIEW_RULER,
+  //      2);
+  //    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+  //      AnnotationType.SEARCH,
+  //      SEARCH_RESULT_INDICATION_COLOR,
+  //      SEARCH_RESULT_INDICATION,
+  //      SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER,
+  //      3);
+  //    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+  //      AnnotationType.WARNING,
+  //      WARNING_INDICATION_COLOR,
+  //      WARNING_INDICATION,
+  //      WARNING_INDICATION_IN_OVERVIEW_RULER,
+  //      4);
+  //    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+  //      AnnotationType.ERROR,
+  //      ERROR_INDICATION_COLOR,
+  //      ERROR_INDICATION,
+  //      ERROR_INDICATION_IN_OVERVIEW_RULER,
+  //      5);
+  //
+  //    fSourceViewerDecorationSupport.setCursorLinePainterPreferenceKeys(CURRENT_LINE,
+  // CURRENT_LINE_COLOR);
+  //    fSourceViewerDecorationSupport.setMarginPainterPreferenceKeys(PRINT_MARGIN,
+  // PRINT_MARGIN_COLOR, PRINT_MARGIN_COLUMN);
+  //    fSourceViewerDecorationSupport.setMatchingCharacterPainterPreferenceKeys(MATCHING_BRACKETS,
+  // MATCHING_BRACKETS_COLOR);
+  //
+  //    fSourceViewerDecorationSupport.setSymbolicFontName(getFontPropertyPreferenceKey());
+  //
+  //  }
+  /**
+   * Returns the Java element wrapped by this editors input.
+   * 
+   * @return the Java element wrapped by this editors input.
+   * @since 3.0
+   */
+  abstract protected IJavaElement getInputJavaElement();
+
+  protected void updateStatusLine() {
+    ITextSelection selection = (ITextSelection) getSelectionProvider().getSelection();
+    Annotation annotation = getAnnotation(selection.getOffset(), selection.getLength());
+    setStatusLineErrorMessage(null);
+    setStatusLineMessage(null);
+    if (annotation != null) {
+      try {
+        fIsUpdatingAnnotationViews = true;
+        updateAnnotationViews(annotation);
+      } finally {
+        fIsUpdatingAnnotationViews = false;
+      }
+      if (annotation instanceof IJavaAnnotation && ((IJavaAnnotation) annotation).isProblem())
+        setStatusLineMessage(annotation.getText());
+    }
+  }
+
+  /**
+   * Jumps to the matching bracket.
+   */
+  public void gotoMatchingBracket() {
+
+    ISourceViewer sourceViewer = getSourceViewer();
+    IDocument document = sourceViewer.getDocument();
+    if (document == null)
+      return;
+
+    IRegion selection = getSignedSelection(sourceViewer);
+
+    int selectionLength = Math.abs(selection.getLength());
+    if (selectionLength > 1) {
+      setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.invalidSelection")); //$NON-NLS-1$              
+      sourceViewer.getTextWidget().getDisplay().beep();
+      return;
+    }
+
+    // #26314
+    int sourceCaretOffset = selection.getOffset() + selection.getLength();
+    if (isSurroundedByBrackets(document, sourceCaretOffset))
+      sourceCaretOffset -= selection.getLength();
+
+    IRegion region = fBracketMatcher.match(document, sourceCaretOffset);
+    if (region == null) {
+      setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.noMatchingBracket")); //$NON-NLS-1$             
+      sourceViewer.getTextWidget().getDisplay().beep();
+      return;
+    }
+
+    int offset = region.getOffset();
+    int length = region.getLength();
+
+    if (length < 1)
+      return;
+
+    int anchor = fBracketMatcher.getAnchor();
+    int targetOffset = (PHPPairMatcher.RIGHT == anchor) ? offset : offset + length - 1;
+
+    boolean visible = false;
+    if (sourceViewer instanceof ITextViewerExtension3) {
+      ITextViewerExtension3 extension = (ITextViewerExtension3) sourceViewer;
+      visible = (extension.modelOffset2WidgetOffset(targetOffset) > -1);
+    } else {
+      IRegion visibleRegion = sourceViewer.getVisibleRegion();
+      visible = (targetOffset >= visibleRegion.getOffset() && targetOffset < visibleRegion.getOffset() + visibleRegion.getLength());
+    }
+
+    if (!visible) {
+      setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.bracketOutsideSelectedElement")); //$NON-NLS-1$         
+      sourceViewer.getTextWidget().getDisplay().beep();
+      return;
+    }
+
+    if (selection.getLength() < 0)
+      targetOffset -= selection.getLength();
+
+    sourceViewer.setSelectedRange(targetOffset, selection.getLength());
+    sourceViewer.revealRange(targetOffset, selection.getLength());
+  }
+
+  /**
+   * Ses the given message as error message to this editor's status line.
+   * 
+   * @param msg
+   *          message to be set
+   */
+  protected void setStatusLineErrorMessage(String msg) {
+    IEditorStatusLine statusLine = (IEditorStatusLine) getAdapter(IEditorStatusLine.class);
+    if (statusLine != null)
+      statusLine.setMessage(true, msg, null);
+  }
+
+  /**
+   * Sets the given message as message to this editor's status line.
+   * 
+   * @param msg
+   *          message to be set
+   * @since 3.0
+   */
+  protected void setStatusLineMessage(String msg) {
+    IEditorStatusLine statusLine = (IEditorStatusLine) getAdapter(IEditorStatusLine.class);
+    if (statusLine != null)
+      statusLine.setMessage(false, msg, null);
+  }
+
+  /**
+   * Returns the annotation closest to the given range respecting the given direction. If an annotation is found, the annotations
+   * current position is copied into the provided annotation position.
+   * 
+   * @param offset
+   *          the region offset
+   * @param length
+   *          the region length
+   * @param forward
+   *          <code>true</code> for forwards, <code>false</code> for backward
+   * @param annotationPosition
+   *          the position of the found annotation
+   * @return the found annotation
+   */
+  private Annotation getNextAnnotation(final int offset, final int length, boolean forward, Position annotationPosition) {
+
+    Annotation nextAnnotation = null;
+    Position nextAnnotationPosition = null;
+    Annotation containingAnnotation = null;
+    Position containingAnnotationPosition = null;
+    boolean currentAnnotation = false;
+
+    IDocument document = getDocumentProvider().getDocument(getEditorInput());
+    int endOfDocument = document.getLength();
+    int distance = Integer.MAX_VALUE;
+
+    IAnnotationModel model = getDocumentProvider().getAnnotationModel(getEditorInput());
+    Iterator e = new JavaAnnotationIterator(model, true, true);
+    while (e.hasNext()) {
+      Annotation a = (Annotation) e.next();
+      if ((a instanceof IJavaAnnotation) && ((IJavaAnnotation) a).hasOverlay() || !isNavigationTarget(a))
+        continue;
+
+      Position p = model.getPosition(a);
+      if (p == null)
+        continue;
+
+      if (forward && p.offset == offset || !forward && p.offset + p.getLength() == offset + length) {// || p.includes(offset)) {
+        if (containingAnnotation == null
+            || (forward && p.length >= containingAnnotationPosition.length || !forward
+                && p.length >= containingAnnotationPosition.length)) {
+          containingAnnotation = a;
+          containingAnnotationPosition = p;
+          currentAnnotation = p.length == length;
+        }
+      } else {
+        int currentDistance = 0;
+
+        if (forward) {
+          currentDistance = p.getOffset() - offset;
+          if (currentDistance < 0)
+            currentDistance = endOfDocument + currentDistance;
+
+          if (currentDistance < distance || currentDistance == distance && p.length < nextAnnotationPosition.length) {
+            distance = currentDistance;
+            nextAnnotation = a;
+            nextAnnotationPosition = p;
+          }
+        } else {
+          currentDistance = offset + length - (p.getOffset() + p.length);
+          if (currentDistance < 0)
+            currentDistance = endOfDocument + currentDistance;
+
+          if (currentDistance < distance || currentDistance == distance && p.length < nextAnnotationPosition.length) {
+            distance = currentDistance;
+            nextAnnotation = a;
+            nextAnnotationPosition = p;
+          }
+        }
+      }
+    }
+    if (containingAnnotationPosition != null && (!currentAnnotation || nextAnnotation == null)) {
+      annotationPosition.setOffset(containingAnnotationPosition.getOffset());
+      annotationPosition.setLength(containingAnnotationPosition.getLength());
+      return containingAnnotation;
+    }
+    if (nextAnnotationPosition != null) {
+      annotationPosition.setOffset(nextAnnotationPosition.getOffset());
+      annotationPosition.setLength(nextAnnotationPosition.getLength());
+    }
+
+    return nextAnnotation;
+  }
+
+  /**
+   * Returns the annotation overlapping with the given range or <code>null</code>.
+   * 
+   * @param offset
+   *          the region offset
+   * @param length
+   *          the region length
+   * @return the found annotation or <code>null</code>
+   * @since 3.0
+   */
+  private Annotation getAnnotation(int offset, int length) {
+    IAnnotationModel model = getDocumentProvider().getAnnotationModel(getEditorInput());
+    Iterator e = new JavaAnnotationIterator(model, true, true);
+    while (e.hasNext()) {
+      Annotation a = (Annotation) e.next();
+      if (!isNavigationTarget(a))
+        continue;
+
+      Position p = model.getPosition(a);
+      if (p != null && p.overlapsWith(offset, length))
+        return a;
+    }
+
+    return null;
+  }
+
+  /**
+   * Returns whether the given annotation is configured as a target for the "Go to Next/Previous Annotation" actions
+   * 
+   * @param annotation
+   *          the annotation
+   * @return <code>true</code> if this is a target, <code>false</code> otherwise
+   * @since 3.0
+   */
+  private boolean isNavigationTarget(Annotation annotation) {
+    Preferences preferences = EditorsUI.getPluginPreferences();
+    AnnotationPreference preference = getAnnotationPreferenceLookup().getAnnotationPreference(annotation);
+    //         See bug 41689
+    //         String key= forward ? preference.getIsGoToNextNavigationTargetKey() : preference.getIsGoToPreviousNavigationTargetKey();
+    String key = preference == null ? null : preference.getIsGoToNextNavigationTargetKey();
+    return (key != null && preferences.getBoolean(key));
+  }
+
+  /**
+   * Returns a segmentation of the line of the given document appropriate for bidi rendering. The default implementation returns
+   * only the string literals of a php code line as segments.
+   * 
+   * @param document
+   *          the document
+   * @param lineOffset
+   *          the offset of the line
+   * @return the line's bidi segmentation
+   * @throws BadLocationException
+   *           in case lineOffset is not valid in document
+   */
+  public static int[] getBidiLineSegments(IDocument document, int lineOffset) throws BadLocationException {
+
+    IRegion line = document.getLineInformationOfOffset(lineOffset);
+    ITypedRegion[] linePartitioning = document.computePartitioning(lineOffset, line.getLength());
+
+    List segmentation = new ArrayList();
+    for (int i = 0; i < linePartitioning.length; i++) {
+      if (IPHPPartitions.PHP_STRING_DQ.equals(linePartitioning[i].getType()))
+        segmentation.add(linePartitioning[i]);
+    }
+
+    if (segmentation.size() == 0)
+      return null;
+
+    int size = segmentation.size();
+    int[] segments = new int[size * 2 + 1];
+
+    int j = 0;
+    for (int i = 0; i < size; i++) {
+      ITypedRegion segment = (ITypedRegion) segmentation.get(i);
+
+      if (i == 0)
+        segments[j++] = 0;
+
+      int offset = segment.getOffset() - lineOffset;
+      if (offset > segments[j - 1])
+        segments[j++] = offset;
+
+      if (offset + segment.getLength() >= line.getLength())
+        break;
+
+      segments[j++] = offset + segment.getLength();
+    }
+
+    if (j < segments.length) {
+      int[] result = new int[j];
+      System.arraycopy(segments, 0, result, 0, j);
+      segments = result;
+    }
+
+    return segments;
+  }
+
+  /**
+   * Returns a segmentation of the given line appropriate for bidi rendering. The default implementation returns only the string
+   * literals of a php code line as segments.
+   * 
+   * @param lineOffset
+   *          the offset of the line
+   * @param line
+   *          the content of the line
+   * @return the line's bidi segmentation
+   */
+  protected int[] getBidiLineSegments(int lineOffset, String line) {
+    IDocumentProvider provider = getDocumentProvider();
+    if (provider != null && line != null && line.length() > 0) {
+      IDocument document = provider.getDocument(getEditorInput());
+      if (document != null)
+        try {
+          return getBidiLineSegments(document, lineOffset);
+        } catch (BadLocationException x) {
+          // ignore
+        }
+    }
+    return null;
+  }
+
+  /*
+   * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
+   */
+  //  protected final ISourceViewer createSourceViewer(
+  //    Composite parent,
+  //    IVerticalRuler ruler,
+  //    int styles) {
+  //    ISourceViewer viewer = createJavaSourceViewer(parent, ruler, styles);
+  //    StyledText text = viewer.getTextWidget();
+  //    text.addBidiSegmentListener(new BidiSegmentListener() {
+  //      public void lineGetSegments(BidiSegmentEvent event) {
+  //        event.segments = getBidiLineSegments(event.lineOffset, event.lineText);
+  //      }
+  //    });
+  //    // JavaUIHelp.setHelp(this, text, IJavaHelpContextIds.JAVA_EDITOR);
+  //    return viewer;
+  //  }
+  public final ISourceViewer getViewer() {
+    return getSourceViewer();
+  }
+
+  //  protected void showOverviewRuler() {
+  //    if (fOverviewRuler != null) {
+  //      if (getSourceViewer() instanceof ISourceViewerExtension) {
+  //        ((ISourceViewerExtension)
+  // getSourceViewer()).showAnnotationsOverview(true);
+  //        fSourceViewerDecorationSupport.updateOverviewDecorations();
+  //      }
+  //    }
+  //  }
+  //
+  //  protected void hideOverviewRuler() {
+  //    if (getSourceViewer() instanceof ISourceViewerExtension) {
+  //      fSourceViewerDecorationSupport.hideAnnotationOverview();
+  //      ((ISourceViewerExtension)
+  // getSourceViewer()).showAnnotationsOverview(false);
+  //    }
+  //  }
+
+  //  protected boolean isOverviewRulerVisible() {
+  //    IPreferenceStore store = getPreferenceStore();
+  //    return store.getBoolean(OVERVIEW_RULER);
+  //  }
+  /*
+   * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
+   */
+  //  protected ISourceViewer createJavaSourceViewer(
+  //    Composite parent,
+  //    IVerticalRuler ruler,
+  //    IOverviewRuler overviewRuler,
+  //    boolean isOverviewRulerVisible,
+  //    int styles) {
+  //    return new SourceViewer(parent, ruler, overviewRuler,
+  // isOverviewRulerVisible(), styles);
+  //  }
+  /*
+   * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
+   */
+  protected ISourceViewer createJavaSourceViewer(Composite parent, IVerticalRuler verticalRuler, IOverviewRuler overviewRuler,
+      boolean isOverviewRulerVisible, int styles, IPreferenceStore store) {
+    return new JavaSourceViewer(parent, verticalRuler, getOverviewRuler(), isOverviewRulerVisible(), styles, store);
+  }
+
+  /*
+   * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
+   */
+  protected final ISourceViewer createSourceViewer(Composite parent, IVerticalRuler verticalRuler, int styles) {
+
+    ISourceViewer viewer = createJavaSourceViewer(parent, verticalRuler, getOverviewRuler(), isOverviewRulerVisible(), styles,
+        getPreferenceStore());
+
+    StyledText text = viewer.getTextWidget();
+    text.addBidiSegmentListener(new BidiSegmentListener() {
+      public void lineGetSegments(BidiSegmentEvent event) {
+        event.segments = getBidiLineSegments(event.lineOffset, event.lineText);
+      }
+    });
+
+    //         JavaUIHelp.setHelp(this, text, IJavaHelpContextIds.JAVA_EDITOR);
+
+    // ensure source viewer decoration support has been created and
+    // configured
+    getSourceViewerDecorationSupport(viewer);
+
+    return viewer;
+  }
+
+  /*
+   * @see AbstractTextEditor#affectsTextPresentation(PropertyChangeEvent)
+   */
+  protected boolean affectsTextPresentation(PropertyChangeEvent event) {
+    return ((PHPSourceViewerConfiguration) getSourceViewerConfiguration()).affectsTextPresentation(event)
+        || super.affectsTextPresentation(event);
+  }
+
+  //
+  //     protected boolean affectsTextPresentation(PropertyChangeEvent event) {
+  //       JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+  //       return textTools.affectsBehavior(event);
+  //     }
+  /**
+   * Creates and returns the preference store for this Java editor with the given input.
+   * 
+   * @param input
+   *          The editor input for which to create the preference store
+   * @return the preference store for this editor
+   * 
+   * @since 3.0
+   */
+  private IPreferenceStore createCombinedPreferenceStore(IEditorInput input) {
+    List stores = new ArrayList(3);
+
+    IJavaProject project = EditorUtility.getJavaProject(input);
+    if (project != null)
+      stores.add(new OptionsAdapter(project.getOptions(false), PHPeclipsePlugin.getDefault().getMockupPreferenceStore(),
+          new OptionsAdapter.IPropertyChangeEventFilter() {
+
+            public boolean isFiltered(PropertyChangeEvent event) {
+              IJavaElement inputJavaElement = getInputJavaElement();
+              IJavaProject javaProject = inputJavaElement != null ? inputJavaElement.getJavaProject() : null;
+              if (javaProject == null)
+                return true;
+
+              return !javaProject.getProject().equals(event.getSource());
+            }
+
+          }));
+
+    stores.add(PHPeclipsePlugin.getDefault().getPreferenceStore());
+    stores.add(new PreferencesAdapter(JavaCore.getPlugin().getPluginPreferences()));
+    stores.add(EditorsUI.getPreferenceStore());
+
+    return new ChainedPreferenceStore((IPreferenceStore[]) stores.toArray(new IPreferenceStore[stores.size()]));
+  }
+
+  /**
+   * Jumps to the error next according to the given direction.
+   */
+  public void gotoError(boolean forward) {
+
+    ISelectionProvider provider = getSelectionProvider();
+
+    ITextSelection s = (ITextSelection) provider.getSelection();
+    Position errorPosition = new Position(0, 0);
+    IJavaAnnotation nextError = getNextError(s.getOffset(), forward, errorPosition);
+
+    if (nextError != null) {
+
+      IMarker marker = null;
+      if (nextError instanceof MarkerAnnotation)
+        marker = ((MarkerAnnotation) nextError).getMarker();
+      else {
+        Iterator e = nextError.getOverlaidIterator();
+        if (e != null) {
+          while (e.hasNext()) {
+            Object o = e.next();
+            if (o instanceof MarkerAnnotation) {
+              marker = ((MarkerAnnotation) o).getMarker();
+              break;
+            }
+          }
+        }
+      }
+
+      if (marker != null) {
+        IWorkbenchPage page = getSite().getPage();
+        IViewPart view = view = page.findView("org.eclipse.ui.views.TaskList"); //$NON-NLS-1$
+        if (view instanceof TaskList) {
+          StructuredSelection ss = new StructuredSelection(marker);
+          ((TaskList) view).setSelection(ss, true);
+        }
+      }
+
+      selectAndReveal(errorPosition.getOffset(), errorPosition.getLength());
+      //      setStatusLineErrorMessage(nextError.getMessage());
+
+    } else {
+
+      setStatusLineErrorMessage(null);
+
+    }
+  }
+
+  private IJavaAnnotation getNextError(int offset, boolean forward, Position errorPosition) {
+
+    IJavaAnnotation nextError = null;
+    Position nextErrorPosition = null;
+
+    IDocument document = getDocumentProvider().getDocument(getEditorInput());
+    int endOfDocument = document.getLength();
+    int distance = 0;
+
+    IAnnotationModel model = getDocumentProvider().getAnnotationModel(getEditorInput());
+    Iterator e = new JavaAnnotationIterator(model, false);
+    while (e.hasNext()) {
+
+      IJavaAnnotation a = (IJavaAnnotation) e.next();
+      if (a.hasOverlay() || !a.isProblem())
+        continue;
+
+      Position p = model.getPosition((Annotation) a);
+      if (!p.includes(offset)) {
+
+        int currentDistance = 0;
+
+        if (forward) {
+          currentDistance = p.getOffset() - offset;
+          if (currentDistance < 0)
+            currentDistance = endOfDocument - offset + p.getOffset();
+        } else {
+          currentDistance = offset - p.getOffset();
+          if (currentDistance < 0)
+            currentDistance = offset + endOfDocument - p.getOffset();
+        }
+
+        if (nextError == null || currentDistance < distance) {
+          distance = currentDistance;
+          nextError = a;
+          nextErrorPosition = p;
+        }
+      }
+    }
+
+    if (nextErrorPosition != null) {
+      errorPosition.setOffset(nextErrorPosition.getOffset());
+      errorPosition.setLength(nextErrorPosition.getLength());
+    }
+
+    return nextError;
+  }
+
+  void removeOccurrenceAnnotations() {
+    IDocumentProvider documentProvider = getDocumentProvider();
+    if (documentProvider == null)
+      return;
+
+    IAnnotationModel annotationModel = documentProvider.getAnnotationModel(getEditorInput());
+    if (annotationModel == null || fOccurrenceAnnotations == null)
+      return;
+
+    synchronized (annotationModel) {
+      if (annotationModel instanceof IAnnotationModelExtension) {
+        ((IAnnotationModelExtension) annotationModel).replaceAnnotations(fOccurrenceAnnotations, null);
+      } else {
+        for (int i = 0, length = fOccurrenceAnnotations.length; i < length; i++)
+          annotationModel.removeAnnotation(fOccurrenceAnnotations[i]);
+      }
+      fOccurrenceAnnotations = null;
+    }
+  }
+
+  protected void uninstallOverrideIndicator() {
+    //         if (fOverrideIndicatorManager != null) {
+    //                 fOverrideIndicatorManager.removeAnnotations();
+    //                 fOverrideIndicatorManager= null;
+    //         }
+  }
+
+  protected void installOverrideIndicator(boolean waitForReconcilation) {
+    uninstallOverrideIndicator();
+    IAnnotationModel model = getDocumentProvider().getAnnotationModel(getEditorInput());
+    final IJavaElement inputElement = getInputJavaElement();
+
+    if (model == null || inputElement == null)
+      return;
+
+    // fOverrideIndicatorManager= new OverrideIndicatorManager(model, inputElement, null);
+    // 
+    // if (provideAST) {
+    //         Job job= new Job(JavaEditorMessages.getString("OverrideIndicatorManager.intallJob")) { //$NON-NLS-1$
+    //                 /*
+    //                  * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
+    //                  * @since 3.0
+    //                  */
+    //                 protected IStatus run(IProgressMonitor monitor) {
+    //                         CompilationUnit ast= JavaPlugin.getDefault().getASTProvider().getAST(inputElement, true, null);
+    //                         if (fOverrideIndicatorManager != null) // editor might have been closed in the meanwhile
+    //                                 fOverrideIndicatorManager.reconciled(ast, true, monitor);
+    //                         return Status.OK_STATUS;
+    //                 }
+    //         };
+    //         job.setPriority(Job.DECORATE);
+    //         job.setSystem(true);
+    //         job.schedule();
+    // }
+  }
+
+  /**
+   * Tells whether override indicators are shown.
+   * 
+   * @return <code>true</code> if the override indicators are shown
+   * @since 3.0
+   */
+  //   protected boolean isShowingOverrideIndicators() {
+  //           AnnotationPreference preference=
+  // getAnnotationPreferenceLookup().getAnnotationPreference(OverrideIndicatorManager.ANNOTATION_TYPE);
+  //           IPreferenceStore store= getPreferenceStore();
+  //           return getBoolean(store, preference.getHighlightPreferenceKey())
+  //                   || getBoolean(store, preference.getVerticalRulerPreferenceKey())
+  //                   || getBoolean(store, preference.getOverviewRulerPreferenceKey())
+  //                   || getBoolean(store, preference.getTextPreferenceKey());
+  //   }
+  /**
+   * Returns the boolean preference for the given key.
+   * 
+   * @param store
+   *          the preference store
+   * @param key
+   *          the preference key
+   * @return <code>true</code> if the key exists in the store and its value is <code>true</code>
+   * @since 3.0
+   */
+  private boolean getBoolean(IPreferenceStore store, String key) {
+    return key != null && store.getBoolean(key);
+  }
+
+  protected boolean isPrefQuickDiffAlwaysOn() {
+    return false; // never show change ruler for the non-editable java editor. Overridden in subclasses like PHPUnitEditor
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#createNavigationActions()
+   */
+  protected void createNavigationActions() {
+    super.createNavigationActions();
+
+    final StyledText textWidget = getSourceViewer().getTextWidget();
+
+    IAction action = new SmartLineStartAction(textWidget, false);
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.LINE_START);
+    setAction(ITextEditorActionDefinitionIds.LINE_START, action);
+
+    action = new SmartLineStartAction(textWidget, true);
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.SELECT_LINE_START);
+    setAction(ITextEditorActionDefinitionIds.SELECT_LINE_START, action);
+
+    action = new NavigatePreviousSubWordAction();
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.WORD_PREVIOUS);
+    setAction(ITextEditorActionDefinitionIds.WORD_PREVIOUS, action);
+    textWidget.setKeyBinding(SWT.CTRL | SWT.ARROW_LEFT, SWT.NULL);
+
+    action = new NavigateNextSubWordAction();
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.WORD_NEXT);
+    setAction(ITextEditorActionDefinitionIds.WORD_NEXT, action);
+    textWidget.setKeyBinding(SWT.CTRL | SWT.ARROW_RIGHT, SWT.NULL);
+
+    action = new SelectPreviousSubWordAction();
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.SELECT_WORD_PREVIOUS);
+    setAction(ITextEditorActionDefinitionIds.SELECT_WORD_PREVIOUS, action);
+    textWidget.setKeyBinding(SWT.CTRL | SWT.SHIFT | SWT.ARROW_LEFT, SWT.NULL);
+
+    action = new SelectNextSubWordAction();
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.SELECT_WORD_NEXT);
+    setAction(ITextEditorActionDefinitionIds.SELECT_WORD_NEXT, action);
+    textWidget.setKeyBinding(SWT.CTRL | SWT.SHIFT | SWT.ARROW_RIGHT, SWT.NULL);
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#createCompositeRuler()
+   */
+  protected CompositeRuler createCompositeRuler() {
+    if (!getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_ANNOTATION_ROLL_OVER))
+      return super.createCompositeRuler();
+
+    CompositeRuler ruler = new CompositeRuler();
+    AnnotationRulerColumn column = new AnnotationRulerColumn(VERTICAL_RULER_WIDTH, getAnnotationAccess());
+    column.setHover(new JavaExpandHover(ruler, getAnnotationAccess(), new IDoubleClickListener() {
+
+      public void doubleClick(DoubleClickEvent event) {
+        // for now: just invoke ruler double click action
+        triggerAction(ITextEditorActionConstants.RULER_DOUBLE_CLICK);
+      }
+
+      private void triggerAction(String actionID) {
+        IAction action = getAction(actionID);
+        if (action != null) {
+          if (action instanceof IUpdate)
+            ((IUpdate) action).update();
+          // hack to propagate line change
+          if (action instanceof ISelectionListener) {
+            ((ISelectionListener) action).selectionChanged(null, null);
+          }
+          if (action.isEnabled())
+            action.run();
+        }
+      }
+
+    }));
+    ruler.addDecorator(0, column);
+
+    if (isLineNumberRulerVisible())
+      ruler.addDecorator(1, createLineNumberRulerColumn());
+    else if (isPrefQuickDiffAlwaysOn())
+      ruler.addDecorator(1, createChangeRulerColumn());
+
+    return ruler;
+  }
+
+  /**
+   * Returns the folding action group, or <code>null</code> if there is none.
+   * 
+   * @return the folding action group, or <code>null</code> if there is none
+   * @since 3.0
+   */
+  protected FoldingActionGroup getFoldingActionGroup() {
+    return fFoldingGroup;
+  }
+
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#performRevert()
+   */
+  protected void performRevert() {
+    ProjectionViewer projectionViewer = (ProjectionViewer) getSourceViewer();
+    projectionViewer.setRedraw(false);
+    try {
+
+      boolean projectionMode = projectionViewer.isProjectionMode();
+      if (projectionMode) {
+        projectionViewer.disableProjection();
+        if (fProjectionModelUpdater != null)
+          fProjectionModelUpdater.uninstall();
+      }
+
+      super.performRevert();
+
+      if (projectionMode) {
+        if (fProjectionModelUpdater != null)
+          fProjectionModelUpdater.install(this, projectionViewer);
+        projectionViewer.enableProjection();
+      }
+
+    } finally {
+      projectionViewer.setRedraw(true);
+    }
+  }
+
+  /**
+   * React to changed selection.
+   * 
+   * @since 3.0
+   */
+  protected void selectionChanged() {
+    if (getSelectionProvider() == null)
+      return;
+    ISourceReference element = computeHighlightRangeSourceReference();
+    if (getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE))
+      synchronizeOutlinePage(element);
+    setSelection(element, false);
+    updateStatusLine();
+  }
+
+  private boolean isJavaOutlinePageActive() {
+    IWorkbenchPart part = getActivePart();
+    return part instanceof ContentOutline && ((ContentOutline) part).getCurrentPage() == fOutlinePage;
+  }
+
+  private IWorkbenchPart getActivePart() {
+    IWorkbenchWindow window = getSite().getWorkbenchWindow();
+    IPartService service = window.getPartService();
+    IWorkbenchPart part = service.getActivePart();
+    return part;
+  }
+
+  /**
+   * Computes and returns the source reference that includes the caret and serves as provider for the outline page selection and the
+   * editor range indication.
+   * 
+   * @return the computed source reference
+   * @since 3.0
+   */
+  protected ISourceReference computeHighlightRangeSourceReference() {
+    ISourceViewer sourceViewer = getSourceViewer();
+    if (sourceViewer == null)
+      return null;
+
+    StyledText styledText = sourceViewer.getTextWidget();
+    if (styledText == null)
+      return null;
+
+    int caret = 0;
+    if (sourceViewer instanceof ITextViewerExtension5) {
+      ITextViewerExtension5 extension = (ITextViewerExtension5) sourceViewer;
+      caret = extension.widgetOffset2ModelOffset(styledText.getCaretOffset());
+    } else {
+      int offset = sourceViewer.getVisibleRegion().getOffset();
+      caret = offset + styledText.getCaretOffset();
+    }
+
+    IJavaElement element = getElementAt(caret, false);
+
+    if (!(element instanceof ISourceReference))
+      return null;
+
+    if (element.getElementType() == IJavaElement.IMPORT_DECLARATION) {
+
+      IImportDeclaration declaration = (IImportDeclaration) element;
+      IImportContainer container = (IImportContainer) declaration.getParent();
+      ISourceRange srcRange = null;
+
+      try {
+        srcRange = container.getSourceRange();
+      } catch (JavaModelException e) {
+      }
+
+      if (srcRange != null && srcRange.getOffset() == caret)
+        return container;
+    }
+
+    return (ISourceReference) element;
+  }
+
+  /**
+   * Returns the most narrow java element including the given offset.
+   * 
+   * @param offset
+   *          the offset inside of the requested element
+   * @param reconcile
+   *          <code>true</code> if editor input should be reconciled in advance
+   * @return the most narrow java element
+   * @since 3.0
+   */
+  protected IJavaElement getElementAt(int offset, boolean reconcile) {
+    return getElementAt(offset);
+  }
+}
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